/**
* Created by nono on 14-11-16.
*/
/* Zepto v1.1.4 - zepto event ajax form ie - zeptojs.com/license */
var Zepto = $ =
{};
$.fn =
{};
var undefined, key, $, classList, emptyArray = [], slice = emptyArray.slice, filter =
emptyArray.filter,
document =
window.document,
elementDisplay =
{},
classCache =
{},
cssNumber = { 'column-count': 1, 'columns': 1, 'font-weight': 1, 'line-height': 1,'opacity': 1, 'z-index': 1, 'zoom': 1
},
// /^\s* 空格或者没有空格 <(\w+|!)标签内有内容[^>非结束标签]*> 标签结束/ 匹配内部的所有内容;
fragmentRE = /^\s*<(\w+|!)[^>]*>/
,
// /^<(\w+) 标签名字 \s*\ 有或者没有空格/?>有结束或者没有结束标签(?:<\/\1>|) 断言的结束标签，可以有或在可以没有$/;
singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/
,
// /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/ig;
tagExpanderRE = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([\w:]+)[^>]*)\/>/
ig,
//匹配某个字符是否就是"html"或者"body";
rootNodeRE = /^(?:body|html)$/
i,
//有一个大写字母的话;
capitalRE = /([A-Z])/
g,
//设置属性的会掉用方法
// special attributes that should be get/set via method calls;
methodAttributes = ['val', 'css', 'html', 'text', 'data', 'width', 'height', 'offset'
],
adjacencyOperators = [ 'after', 'prepend', 'before', 'append'
],
table = document.createElement('table'
),
tableRow = document.createElement('tr'
),
containers =
{
//tr的父级为tbody;
'tr': document.createElement('tbody'
),
//tbody,thead,tfoot的父级为table;
'tbody'
: table,
'thead'
: table,
'tfoot'
: table,
//同上;
'td'
: tableRow,
'th'
: tableRow,
'*': document.createElement('div'
)
},
//onreadystatechange 事件中的 readyState 是否加载完成的
readyRE = /complete|loaded|interactive/
,
//这个正则会匹配所有的字符串和-
simpleSelectorRE = /^[\w-]*$/
,
//
class2type =
{},
//快捷方法, 做类型判断;
toString =
class2type.toString,
//小写的zepto, 对象
zepto =
{},
//camelize, underscore, dashlize, capitalize;
camelize, uniq,
tempParent = document.createElement('div'
),
//保留字腰转换
propMap =
{
'tabindex': 'tabIndex'
,
'readonly': 'readOnly'
,
'for': 'htmlFor'
,
'class': 'className'
,
'maxlength': 'maxLength'
,
'cellspacing': 'cellSpacing'
,
'cellpadding': 'cellPadding'
,
'rowspan': 'rowSpan'
,
'colspan': 'colSpan'
,
/*
<img src="planets.gif" alt="Planets" usemap="#planetmap" />
<map name="planetmap">
<area href="sun.htm" shape="rect" coords="0,0,110,260">Sun</a>
<area href="mercur.htm" shape="circle" coords="129,161,10">Mercury</a>
<area href="venus.htm" shape="circle" coords="180,139,14">Venus</a>
</map>
*/
'usemap': 'useMap'
,
'frameborder': 'frameBorder'
,
'contenteditable': 'contentEditable'
},
//简单的判断;
isArray = Array.isArray ||
function(object){
return object
instanceof Array }
zepto.matches =
function(element, selector) {
if (!selector || !element || element.nodeType !== 1)
return false
var matchesSelector = element.webkitMatchesSelector || element.mozMatchesSelector ||
element.oMatchesSelector ||
element.matchesSelector
//if (matchesSelector) return element.matchesSelector(selector) 是不行的;还是用call靠谱;
if (matchesSelector)
return matchesSelector.call(element, selector)
// fall back to performing a selector:
var match, parent = element.parentNode, temp = !
parent
//tempParent = document.createElement('div') 因为这个元素可能为加入到 html中, 只在内存中(fragment);
if (temp) (parent =
tempParent).appendChild(element)
//调用querySelectorAll
//~“10" ==>> -11 ; ~"12"==>> -13;
//~~"10" ==>> 10 ; ~~23 ==>> 23;
match = ~
zepto.qsa(parent, selector).indexOf(element)
//除了 值为 -1计算出的值是0; 剩下的全部是非0的;
temp &&
tempParent.removeChild(element)
return match
}
function type(obj) {
// 非全等于null就两种东西 null他自己和 undefined
return obj ==
null ?
String(obj) :
class2type[toString.call(obj)] || "object"
}
function isFunction(value) {
return type(value) == "function"
}
function isWindow(obj) {
return obj !=
null && obj ==
obj.window }
// document.DOCUMENT_NODE === 9
function isDocument(obj) {
return obj !=
null && obj.nodeType ==
obj.DOCUMENT_NODE }
function isObject(obj) {
return type(obj) == "object"
}
function isPlainObject(obj) {
//是object 非window, 他的原型就是他自己;
return isObject(obj) && !isWindow(obj) && Object.getPrototypeOf(obj) ==
Object.prototype
}
//简单的直接判断length就好了;
function likeArray(obj) {
return typeof obj.length == 'number'
}
//压缩, 把所有的 undefined 和 null去掉;
function compact(array) {
return filter.call(array,
function(item){
return item !=
null }) }
//把array
//[].concat.apply([],[1,2,3,4,[6,7]]) ==>> [1, 2, 3, 4, 6, 7]
function flatten(array) {
return array.length > 0 ?
$.fn.concat.apply([], array) : array }
camelize =
function(str){
return str.replace(/-+(.)?/g,
function(match, chr){
return chr ? chr.toUpperCase() : ''
}) }
function dasherize(str) {
return str.replace(/::/g, '/')
//这个不是很懂为什么这样弄;
.replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
//"abcDef" ==> "abc_Def"
.replace(/([a-z\d])([A-Z])/g, '$1_$2')
//"abc1Def" ==> "abc1_Def"
.replace(/_/g, '-')
//把下划线替换成"-"
.toLowerCase()
//全部变小写字符;
}
//取数值的唯一
uniq =
function(array){
return filter.call(array,
function(item, idx){
return array.indexOf(item) ==
idx }) }
/*如果是我的话，我就会这样写
function uniq(array) {
var result = [];
for(var i=0; i< array.length; i++) {
if([].prototype.indexOf.call(array, array[i]) === i) {
result.push( array[i] );
}
};
return result;
};
*/
//返回匹配class的正则; new RegExp("^|\\s"+ youClass +"\\s|$","g")
function classRE(name) {
return name
in classCache ?
classCache[name] : (classCache[name] =
new RegExp('(^|\\s)' + name + '(\\s|$)'
))
}
//目前都是在初始化变量;
function maybeAddPx(name, value) {
return (
typeof value == "number" && !cssNumber[dasherize(name)]) ? value + "px"
: value
}
//把默认的显示保存到缓存里面
function defaultDisplay(nodeName) {
var element, display
if (!
elementDisplay[nodeName]) {
element =
document.createElement(nodeName)
document.body.appendChild(element)
display = getComputedStyle(element, '').getPropertyValue("display"
)
element.parentNode.removeChild(element)
display == "none" && (display = "block"
)
elementDisplay[nodeName] =
display
}
return elementDisplay[nodeName]
}
//把Nodes转化成数组;
function children(element) {
return 'children'
in element ?
slice.call(element.children) :
$.map(element.childNodes, function(node){
if (node.nodeType == 1)
return node })
}
// `$.zepto.fragment` takes a html string and an optional tag name
// to generate DOM nodes nodes from the given html string.
// The generated DOM nodes are returned as an array.
// This function can be overriden in plugins for example to make
// it compatible with browsers that don't support the DOM fully.
zepto.fragment =
function(html, name, properties) {
var dom, nodes, container
//只是单标签的情况下,优化单标签,剩下的全部跑下面代码;
// A special case optimization for a single tag
//singleTagRE = /^<(\w+)\s*\/?>(?:<\/\1>|)$/,
if (singleTagRE.test(html)) dom = $(document.createElement(RegExp.$1
))
//dom为空的话说明没匹配到;
if (!
dom) {
//有replace方法就说明是字符串,把原来的字符串替换成合法的html字符串;
if (html.replace) html = html.replace(tagExpanderRE, "<$1></$2>"
)
//fragmentRE = /^\s*<(\w+|!)[^>]*>/,
//name必须严格等于undefined,如果name为空就永远是div为父级的;
if (name === undefined) name = fragmentRE.test(html) && RegExp.$1
//自动为元素添加父级,没有就是新建div了;
//
if (!(name
in containers)) name = '*'
/*
containers = {
//tr的父级为tbody;
'tr': document.createElement('tbody'),
//tbody,thead,tfoot的父级为table;
'tbody': table,
'thead': table,
'tfoot': table,
//同上;
'td': tableRow,
'th': tableRow,
'*': document.createElement('div')
},
*/
//containers[name] = document.createElement("div")
container =
containers[name]
container.innerHTML = '' +
html
//把container内部的所有子元素删除, 然后返回被删除的元素;
dom = $.each(slice.call(container.childNodes),
function(){
container.removeChild(this)
});
};
//为dom这个节点添加属性;
if (isPlainObject(properties)) {
nodes =
$(dom)
$.each(properties, function(key, value) {
//存在这个快捷方法的话;
if (methodAttributes.indexOf(key) > -1
) nodes[key](value)
else nodes.attr(key, value)
})
};
//dom是数组排列的DOM元素;
return dom
}
// `$.zepto.Z` swaps out the prototype of the given `dom` array
// of nodes with `$.fn` and thus supplying all the Zepto functions
// to the array. Note that `__proto__` is not supported on Internet
// Explorer. This method can be overriden in plugins.
//把dom元素选中以后,用zepto.Z包装, 然后返回;
zepto.Z =
function(dom, selector) {
dom = dom ||
[]
//绑定原型 __proto__;
dom.__proto__ =
$.fn
dom.selector = selector || ''
return dom;
}
// `$.zepto.isZ` should return `true` if the given object is a Zepto
// collection. This method can be overriden in plugins.
zepto.isZ =
function(object) {
//zepto.Z.prototype === $.fn ==>> true;
//zepto.Z的原型就是$.fn, $.fn必定了很多方法;
return object
instanceof zepto.Z
//初始化的时候手动设置zepto.Z.prototype = $.fn;
//和下面这写法一摸一样;
//var temp = function() {};
//temp.prototype = $.fn;
//return object instanceof temp;
}
// `$.zepto.init` is Zepto's counterpart to jQuery's `$.fn.init` and
// takes a CSS selector and an optional context (and handles various
// special cases).
// This method can be overriden in plugins.
zepto.init =
function(selector, context) {
var dom
// If nothing given, return an empty Zepto collection
if (!selector)
return zepto.Z()
// Optimize for string selectors
//如果是字符串就只有两种情况1:新建元素,2:查找元素;
//查找元素如果有context就按照context找，否则就从document找;
else if (
typeof selector == 'string'
) {
selector =
selector.trim()
// If it's a html fragment, create nodes from it
// Note: In both Chrome 21 and Firefox 15, DOM error 12
// is thrown if the fragment doesn't begin with <
//fragmentRE = /^\s*<(\w+|!)[^>]*>/,正则匹配单标签;
if (selector[0] == '<' &&
fragmentRE.test(selector))
//新建dom元素;
dom = zepto.fragment(selector, RegExp.$1, context), selector =
null
// If there's a context, create a collection on that context first, and select
// nodes from there
//直接查找元素;
//dom = zepto.qsa(context || document, select)
else if (context !== undefined)
return $(context).find(selector)
// If it's a CSS selector, use it to select nodes.
else dom =
zepto.qsa(document, selector)
}
// If a function is given, call it when the DOM is ready
//DOMContentready;
else if (isFunction(selector))
return $(document).ready(selector)
// If a Zepto collection is given, just return it
else if (zepto.isZ(selector))
return selector
else {
//$([1,2,3,4,5,5,5,6,2,2,undefined,null]) ==>> [1, 2, 3, 4, 5, 5, 5, 6, 2, 2]去除值为undefined和null的元素;
// normalize array if an array of nodes is given
if (isArray(selector)) dom =
compact(selector)
// Wrap DOM nodes.
//直接假设是dom节点元素了;
else if (isObject(selector))
dom = [selector], selector =
null
// If it's a html fragment, create nodes from it
//试过了使用正则test这个碎片对象不行，我不知道为什么跑这边来了;
else if (fragmentRE.test(selector))
dom = zepto.fragment(selector.trim(), RegExp.$1, context), selector =
null
// If there's a context, create a collection on that context first, and select
// nodes from there
else if (context !== undefined)
return $(context).find(selector)
// And last but no least, if it's a CSS selector, use it to select nodes.
else dom =
zepto.qsa(document, selector)
}
// create a new Zepto collection from the nodes found
return zepto.Z(dom, selector)
}
// `$` will be the base `Zepto` object. When calling this
// function just call `$.zepto.init, which makes the implementation
// details of selecting nodes and creating Zepto collections
// patchable in plugins.
$ =
function(selector, context){
return zepto.init(selector, context);
}
function extend(target, source, deep) {
for (key
in source)
//深度复制,可能是存对象或者是数组, 是function或者是字符串或者是数字或者基本类型的不会走这边;
if (deep && (isPlainObject(source[key]) ||
isArray(source[key]))) {
//是对象,而且target的这个属性是空的,说明不会覆盖原来的属性;
if (isPlainObject(source[key]) && !
isPlainObject(target[key]))
//新建
target[key] =
{}
if (isArray(source[key]) && !
isArray(target[key]))
target[key] =
[]
extend(target[key], source[key], deep)
}
else if (source[key] !== undefined) target[key] =
source[key]
};
// Copy all but undefined properties from one or more
// objects to the `target` object.
//$.extend(a,b,c,d,e,f,g);所有的都继承到a里面去;
//深度赋值继承,$.extend(true,a,b,c,d,e,f,g);所有的都继承到a里面去;
$.extend =
function(target){
var deep, args = slice.call(arguments, 1
)
if (
typeof target == 'boolean'
) {
deep =
target
target =
args.shift()
}
args.forEach(function(arg){ extend(target, arg, deep) })
return target
};
// `$.zepto.qsa` is Zepto's CSS selector implementation which
// uses `document.querySelectorAll` and optimizes for some special cases, like `#id`.
// This method can be overriden in plugins.
zepto.qsa =
function(element, selector){
var found,
maybeID = selector[0] == '#'
,
maybeClass = !maybeID && selector[0] == '.'
,
nameOnly = maybeID || maybeClass ? selector.slice(1) : selector,
// Ensure that a 1 char tag name still gets checked
//simpleSelectorRE = /^[\w-]*$/
isSimple =
simpleSelectorRE.test(nameOnly);
return (isDocument(element) && isSimple && maybeID) ?
//ID
( (found = element.getElementById(nameOnly)) ?
[found] : [] ) :
(element.nodeType !== 1 && element.nodeType !== 9) ?
[] :
//优化;
//转化成数组;
slice.call(
isSimple && !maybeID ?
maybeClass ? element.getElementsByClassName(nameOnly) :
// If it's simple, it could be a class
element.getElementsByTagName(selector) :
// Or a tag
element.querySelectorAll(selector)
// Or it's not simple, and we need to query all
)
};
//这个东西有点象match方法;
//从nodes里面选择匹配selector的元素;
function filtered(nodes, selector) {
return selector ==
null ?
$(nodes) : $(nodes).filter(selector)
}
$.contains = document.documentElement.contains ?
function(parent, node) {
return parent !== node &&
parent.contains(node)
} :
function(parent, node) {
while (node && (node =
node.parentNode))
if (node === parent)
return true
return false
};
//跑func，并用context作为上下文;
function funcArg(context, arg, idx, payload) {
return isFunction(arg) ?
arg.call(context, idx, payload) : arg
}
//删除或者是设置;
function setAttribute(node, name, value) {
value ==
null ?
node.removeAttribute(name) : node.setAttribute(name, value)
}
//返回className并做了svg的兼容,TMD的SVG是什么东西;
// access className property while respecting SVGAnimatedString
function className(node, value){
var klass =
node.className,
svg = klass && klass.baseVal !==
undefined
if (value === undefined)
return svg ?
klass.baseVal : klass
svg ? (klass.baseVal = value) : (node.className =
value)
}
// "true" => true
// "false" => false
// "null" => null
// "42" => 42
// "42.5" => 42.5
// "08" => "08"
// JSON => parse if valid
// String => self;
//反序列化;
function deserializeValue(value) {
var num
try {
return value ?
value == "true" ||
( value == "false" ?
false :
value == "null" ?
null :
!/^0/.test(value) && !isNaN(num = Number(value)) ?
num :
/^[\[\{]/.test(value) ?
$.parseJSON(value) :
value )
: value
} catch(e) {
return value
}
};
$.type =
type
$.isFunction =
isFunction
$.isWindow =
isWindow
$.isArray =
isArray
$.isPlainObject =
isPlainObject
$.isEmptyObject =
function(obj) {
var name
for (name
in obj)
return false
return true
};
$.inArray =
function(elem, array, i){
return emptyArray.indexOf.call(array, elem, i)
};
$.camelCase =
camelize
$.trim =
function(str) {
return str ==
null ? ""
: String.prototype.trim.call(str)
}
// plugin compatibility
$.uuid = 0
$.support =
{ }
$.expr =
{ }
// xx != null ==>> xx!==undefined, xx!==null
//map循环的参数第一个是值，如果是array类型第二个是index，是object类型就是key;
$.map =
function(elements, callback){
var value, values =
[], i, key
if (likeArray(elements))
for (i = 0; i < elements.length; i++
) {
value =
callback(elements[i], i)
if (value !=
null) values.push(value)
}
else
for (key
in elements) {
value =
callback(elements[key], key)
if (value !=
null) values.push(value)
}
return flatten(values)
}
$.each =
function(elements, callback){
var i, key
if (likeArray(elements)) {
for (i = 0; i < elements.length; i++
)
//index, value;
if (callback.call(elements[i], i, elements[i]) ===
false)
return elements
} else {
for (key
in elements)
//index, value;
if (callback.call(elements[key], key, elements[key]) ===
false)
return elements
}
return elements
}
//$.grep是和jQuery里面一样的;
$.grep =
function(elements, callback){
return filter.call(elements, callback)
}
if (window.JSON) $.parseJSON =
JSON.parse
// Populate the class2type map
$.each("Boolean Number String Function Array Date RegExp Object Error".split(" "),
function(i, name) {
class2type[ "[object " + name + "]" ] =
name.toLowerCase()
})
// Define methods that will be available on all
// Zepto collections
$.fn =
{
// Because a collection acts like an array
// copy over these useful array functions.
forEach: emptyArray.forEach,
reduce: emptyArray.reduce,
push: emptyArray.push,
sort: emptyArray.sort,
indexOf: emptyArray.indexOf,
concat: emptyArray.concat,
// `map` and `slice` in the jQuery API work differently
// from their array counterparts
//封装了一个fn方法, 改变了上下文为el, 参数列表为i, el;
map:
function(fn){
return $($.map(
this,
function(el, i){
return fn.call(el, i, el) }));
},
//把当前选择的对象变成存数组对象;
slice:
function(){
return $(slice.apply(
this, arguments));
},
ready: function(callback){
// need to check if document.body exists for IE as that browser reports
// document ready when it hasn't yet created the body element
// readyRE === /complete|loaded|interactive/
//document的readyState状态加载完毕就直接执行,这东西是IE先有的,后来标准化了,所以没有什么兼容问题;
if (readyRE.test(document.readyState) &&
document.body) callback($)
//利用事件必定执行;
else document.addEventListener('DOMContentLoaded',
function(){ callback($) },
false)
return this
},
//把所有人切成数组,或者是某一个;
get:
function(idx){
return idx === undefined ? slice.call(
this) :
this[idx >= 0 ? idx : idx +
this.length]
},
toArray: function(){
return this.get() },
//为了跟jQ的接口统一
size:
function(){
return this.length
},
remove: function(){
return this.each(
function(){
if (
this.parentNode !=
null)
this.parentNode.removeChild(
this)
})
},
//这个只要返回值是false也停止迭代了，与jQ统一;
each:
function(callback){
//只要call的东西有length而且有下标,只要是类数组都可以;
//是value和key, 不要忘记了;
emptyArray.every.call(
this,
function(el, idx){
return callback.call(el, idx, el) !==
false
})
return this
},
filter: function(selector){
if (isFunction(selector))
return this.not(
this.not(selector))
//迭代每一个选中的元素;, 过滤掉当前元素不符合选择器selector的元素;
return $(filter.call(
this,
function(element){
return zepto.matches(element, selector)
}))
},
//说明当前元素是HTMLELEMENTS,或者是NODES
add:
function(selector,context){
//选择元素以后,匹配唯一;
return $(uniq(
this.concat($(selector,context))))
},
//当前元素的第一个是否匹配选择符;
is:
function(selector){
return this.length > 0 && zepto.matches(
this[0
], selector)
},
//not的效率挺低的;
not:
function(selector){
var nodes=
[];
//如果selector是函数
if (isFunction(selector) && selector.call !==
undefined)
this.each(
function(idx){
if (!selector.call(
this,idx)) nodes.push(
this)
})
else {
//如果是字符串就过滤当前匹配的到数组
var excludes =
typeof selector == 'string' ?
this.filter(selector) :
//如果是类数组而且有item属性,说明当前元素是HTMLELEMENTS,或者是NODES就转化成纯数组
//剩下的所有方式 new 一个zepto对象;
(likeArray(selector) && isFunction(selector.item)) ?
slice.call(selector) : $(selector)
//重新迭代当前的元素, 不在excludes里面的push到 nodes的结果集;
this.forEach(
function(el){
if (excludes.indexOf(el) < 0
) nodes.push(el)
})
}
return $(nodes)
},
//如果传的是对象的话， 把this里面所有包含selector的元素找出来,
//有点象filter...不过has是对当前的元素进行操作的, filter是对当前元素的子元素进行操作的;
has:
function(selector){
return this.filter(
function(){
return isObject(selector) ?
//一种是contains的意思
$.contains(
this, selector) :
//如果是字符串就是找所有的子孙元素的长度
$(
this).find(selector).size()
})
},
//
eq:
function(idx){
return idx === -1 ?
this.slice(idx) :
this.slice(idx, + idx + 1
)
},
first: function(){
var el =
this[0
]
return el && !isObject(el) ?
el : $(el)
},
last: function(){
var el =
this[
this.length - 1
]
return el && !isObject(el) ?
el : $(el)
},
find: function(selector){
var result, $
this =
this
//连选择器都没有, 那就不给你result了;
if (!selector) result =
[]
else if (
typeof selector == 'object'
)
//从当前元素中选择出所有selector到的元素的交集;
//套了一堆循环,没有神马用感觉;
result = $(selector).filter(
function(){
var node =
this
return emptyArray.some.call($
this,
function(parent){
return $.contains(parent, node)
})
});
//如果只有一个，就返回一个zepto对象
else if (
this.length == 1) result = $(zepto.qsa(
this[0
], selector))
//否则返回一个数组
else result =
this.map(
function(){
return zepto.qsa(
this, selector) })
return result
},
//没看懂，是我的话我就直接跑parentNode.. 这个context哪来干嘛用..
closest:
function(selector, context){
//如果context没有值, selector为字符串
var node =
this[0], collection =
false
if (
typeof selector == 'object') collection =
$(selector)
//collection值是false的话，就zepto.matches(node ,selector)没匹配到就往里面走， 有匹配到的话就不往里面走...
while (node && !(collection ? collection.indexOf(node) >= 0
: zepto.matches(node, selector)))
node = node !== context && !isDocument(node) &&
node.parentNode
return $(node)
},
parents: function(selector){
var ancestors = [], nodes =
this
while (nodes.length > 0
)
nodes = $.map(nodes,
function(node){
//让node成为node父级, 不是document, 在结果集里面没有node，就把它存入结果集;
if ((node = node.parentNode) && !isDocument(node) && ancestors.indexOf(node) < 0
) {
ancestors.push(node)
return node
}
});
//把结果集过滤出匹配selector的元素;
return filtered(ancestors, selector)
},
parent: function(selector){
//this.pluck('parentNode')的所有parentNode，取唯一 匹配selector,用的到吗, 这么多
return filtered(uniq(
this.pluck('parentNode'
)), selector)
},
children: function(selector){
return filtered(
this.map(
function(){
return children(
this) }), selector)
//return filtered( 把所有的选中的元素的子元素拉到数组 ， 匹配选择器 )
},
contents: function() {
//把所有选中元素的所有都内容取出来，包含“节点”或者是“换行”节点等等;
return this.map(
function() {
return slice.call(
this.childNodes) })
},
siblings: function(selector){
//如果没有selector就是匹配所有当前元素的兄弟元素
return filtered(
this.map(
function(i, el){
//把所有的元素的parentNode的children取出来，过滤掉不是当前的资源税
return filter.call(children(el.parentNode),
function(child){
return child!==
el })
}), selector) //通过选择器选中;
},
//把内容清空;
empty:
function(){
return this.each(
function(){
this.innerHTML = ''
})
},
// `pluck` is borrowed from Prototype.js
//和underscore一样的，抄自prototype;
pluck:
function(property){
return $.map(
this,
function(el){
return el[property] })
},
show: function(){
return this.each(
function(){
//先直接把display清空
this.style.display == "none" && (
this.style.display = ''
)
//为了以防万一，他的值还没改;
if (getComputedStyle(
this, '').getPropertyValue("display") == "none"
)
//显示默认的display值;
this.style.display = defaultDisplay(
this.nodeName)
})
},
//这之前加一堆东西，然后删除自己;
replaceWith:
function(newContent){
return this.before(newContent).remove()
},
//DOM方法还没结束啊，这个看完去复习jQuery，然后去看angular;一步一步来吧，进步太慢了;
wrap:
function(structure){
var func =
isFunction(structure)
if (
this[0] && !
func)
var dom = $(structure).get(0
),
clone = dom.parentNode ||
this.length > 1
return this.each(
function(index){
$(this).wrapAll(
func ? structure.call(
this, index) :
clone ? dom.cloneNode(
true) : dom
)
})
},
//这个只对第一个元素进行操作,dom修改;
wrapAll:
function(structure){
if (
this[0
]) {
$(this[0]).before(structure =
$(structure))
var children
// drill down to the inmost element
while ((children = structure.children()).length) structure =
children.first()
$(structure).append(this)
}
return this
},
wrapInner: function(structure){
var func =
isFunction(structure)
return this.each(
function(index){
//保存当前元素;
//保存所有当前节点;
var self = $(
this), contents =
self.contents(),
//structure可能是字符串，但是没事的，wrapAll里面会进行处理;
dom = func ? structure.call(
this, index) : structure;
//避免出错吧;
contents.length ?
contents.wrapAll(dom) : self.append(dom)
});
//TODO 如果参数的 structure是一个DOM节点呢, 这个节点并不会被复制哦，
},
//就是把这个元素的父级删掉么么哒;
unwrap:
function(){
this.parent().each(
function(){
$(this).replaceWith($(
this).children())
})
return this
},
//这个是复制事件和子元素的
clone:
function(){
return this.map(
function(){
return this.cloneNode(
true) })
},
hide: function(){
return this.css("display", "none"
)
},
toggle: function(setting){
//迭代元素;
return this.each(
function(){
var el = $(
this)
// setting === undefined ? el.css("display") == "none" : setting 是none就show 不是none就undefined ,undefined又走hide
// 批语:没事瞎JB绕
;(setting === undefined ? el.css("display") == "none" : setting) ?
el.show() : el.hide()
})
},
//把所有选中的元素额上个元素匹配出来到一个数组里面去;
prev:
function(selector){
return $(
this.pluck('previousElementSibling')).filter(selector || '*'
) },
next: function(selector){
return $(
this.pluck('nextElementSibling')).filter(selector || '*'
) },
html: function(html){
return 0
in arguments ?
this.each(
function(idx){
var originHtml =
this.innerHTML;
/*我擦
function funcArg(context, arg, idx, payload) {
return isFunction(arg) ? arg.call(context, idx, payload) : arg
}
*/
//这边做了处理，如果 html是function 就执行function, 传一个index和originHtml;
$(
this).empty().append( funcArg(
this, html, idx, originHtml) )
//$(this).empty().append( html ),这样不行吗;
}) :
//返回第一个元素的innerHTML
(0
in this ?
this[0].innerHTML :
null)
},
text: function(text){
return 0
in arguments ?
this.each(
function(idx){
/*
function funcArg(context, arg, idx, payload) {
return isFunction(arg) ? arg.call(context, idx, payload) : arg
}
一般来说,只要arg不是function类型都跟么走一样样的
*/
var newText = funcArg(
this, text, idx,
this.textContent)
this.textContent = newText ==
null ? '' : ''+
newText
}) :
(0
in this ?
this[0].textContent :
null)
},
//到达属性模块;
//自定义
attr:
function(name, value){
var result
return (
typeof name == 'string' && !(1
in arguments)) ?
//判断元素是否是节点元素
(!
this.length ||
this[0].nodeType !== 1 ?
undefined :
//获取属性
(!(result =
this[0].getAttribute(name)) && name
in this[0]) ?
this[0
][name] : result
) :
//设置属性
this.each(
function(idx){
if (
this.nodeType !== 1)
return
if (isObject(name))
for (key
in name) setAttribute(
this, key, name[key])
else setAttribute(
this, name, funcArg(
this, value, idx,
this.getAttribute(name)))
})
},
//走设置自定义属性，不给值;
removeAttr:
function(name){
return this.each(
function(){
this.nodeType === 1 && setAttribute(
this, name) })
},
//节点属性
prop:
function(name, value){
name = propMap[name] ||
name
return (1
in arguments) ?
this.each(
function(idx){
this[name] = funcArg(
this, value, idx,
this[name])
}) :
(this[0] &&
this[0
][name])
},
//jQuery为了让库代码更节俭通过access跑属性方法,zepto更加直接
//jQuery的data为放在缓存里面的;
data:
function(name, value){
//"大写字母" ==>> 变成 ==> "-大写字母", 在变成小写
var attrName = 'data-' + name.replace(capitalRE, '-$1'
).toLowerCase()
var data = (1
in arguments) ?
this.attr(attrName, value) :
this.attr(attrName)
//返回数据,
return data !==
null ?
deserializeValue(data) : undefined
},
val: function(value){
return 0
in arguments ?
this.each(
function(idx){
//设置
this.value = funcArg(
this, value, idx,
this.value)
}) :
//返回值 如果元素是select 就把选中的元素过滤出来, 并获取value;
(
this[0] && (
this[0].multiple ?
$(this[0]).find('option').filter(
function(){
return this.selected }).pluck('value'
) :
//直接返回值，话说这东西的确没有兼容问题么么哒
this[0
].value)
)
},
//coordinates : 协调
//知识点:因为relative是相对定位的，不知道父级是绝对定位还是正常的，所以通过getBoundRClientRect获取父级的位置
//把值给界面的绝对定位值, 让元素根据父级相对定位;
//(为什么这么做),如果是让他绝对定位的话，这个元素会受到所有父级的影响， 所以不要设置绝对定位最好（就减少了JS的值计算）,
//让他相对父级进行值计算, 根据界面定位;
//启发:如果界面有太对的absolute,界面位置的可通性就太差了,只要设置相对定位,根据父级计算left,和top;也是极好的;
//知识点1:getBoundRClientRect是的获取的top是包含margin值的值(总体的说就是相对界面(html)的位置);
offset:
function(coordinates){
// coordinates 是一个方法 或者是一个 对象;
// coordinates 的值是这个object相对页面的left和top, zepto会把obj相对父级元素定位;
if (coordinates)
return this.each(
function(index){
var $
this = $(
this),
coords = funcArg(
this, coordinates, index, $
this.offset()),
//relative是相对父级进行定位的;
//parentOffse也是相对界面定位的, 所以没有什么问题的
parentOffset = $
this.offsetParent().offset(),
props =
{
top: coords.top -
parentOffset.top,
left: coords.left -
parentOffset.left
}
if ($
this.css('position') == 'static') props['position'] = 'relative'
$this.css(props)
})
if (!
this.length)
return null
var obj =
this[0
].getBoundingClientRect()
return {
left: obj.left +
window.pageXOffset,
top: obj.top +
window.pageYOffset,
width: Math.round(obj.width),
height: Math.round(obj.height)
}
},
css: function(property, value){
//就是length就只有1个，获取属性;
if (arguments.length < 2
) {
var element =
this[0], computedStyle = getComputedStyle(element, ''
)
if(!element)
return
if (
typeof property == 'string'
)
//如果有行内样式就快点返回行内样式(!important怎么办), 否则通过getPropertyValue获取
return element.style[camelize(property)] ||
computedStyle.getPropertyValue(property)
else if (isArray(property)) {
//如果想要获取一对属性
var props =
{}
$.each(isArray(property) ? property: [property],
function(_, prop){
props[prop] = (element.style[camelize(prop)] ||
computedStyle.getPropertyValue(prop))
})
return props
}
}
var css = ''
if (type(property) == 'string'
) {
if (!value && value !== 0
)
//删除属性
this.each(
function(){
this.style.removeProperty(dasherize(property)) })
else
//设置
css = dasherize(property) + ":" +
maybeAddPx(property, value)
} else {
//是对象的话;
for (key
in property)
if (!property[key] && property[key] !== 0
)
this.each(
function(){
this.style.removeProperty(dasherize(key)) })
else
css += dasherize(key) + ':' + maybeAddPx(key, property[key]) + ';'
};
return this.each(
function(){
this.style.cssText += ';' +
css })
},
//获取当前相对父级的index或者传进来的元素的index;
index:
function(element){
return element ?
this.indexOf($(element)[0]) :
this.parent().children().indexOf(
this[0
])
},
//
hasClass:
function(name){
if (!name)
return false
// Array.some的第二个参数为里面的this;
return emptyArray.some.call(
this,
function(el){
//直接把 正则作为this了，我勒个去;
return this.test(className(el));
}, classRE(name));
},
addClass: function(name){
if (!name)
return this
return this.each(
function(idx){
//迭代this元素
classList =
[]
var cls = className(
this), newName = funcArg(
this, name, idx, cls)
newName.split(/\s+/g).forEach(
function(klass){
//把所有传进来的class通过空格分开;
//把所有的class保存到数组里面;
if (!$(
this).hasClass(klass)) classList.push(klass)
}, this/*这个this为上下文*/);
//把元素的新的class和原来的class拼合起来再赋值;
classList.length && className(
this, cls + (cls ? " " : "") + classList.join(" "
))
})
},
removeClass: function(name){
return this.each(
function(idx){
//如果没有传值就把所有的class清空;
if (name === undefined)
return className(
this, ''
)
classList = className(
this)
//传进来的可能是函数, 把class结果获取出来;
funcArg(
this, name, idx, classList).split(/\s+/g).forEach(
function(klass){
//生成动态正则匹配替换成空;
classList = classList.replace(classRE(klass), " "
)
});
//trim, 去除两边的空格;
className(
this, classList.trim())
})
},
toggleClass: function(name, when){
if (!name)
return this
return this.each(
function(idx){
var $
this = $(
this),
//因为这些都是迭代每一个元素, 所以获取设置的class还是要放在里面比较好;
names = funcArg(
this, name, idx, className(
this));
names.split(/\s+/g).forEach(
function(klass){
(when === undefined ? !$
this.hasClass(klass) : when) ?
$this.addClass(klass) : $
this.removeClass(klass)
// $this.hasClass( klass ) ? $this.removeClass(klass) : $this.addClass( klass );
/*三目的写法 ( 三目的写法不同, 意义也是不相同的 );
一:
yes ? a :
yes1 ? b :
yes2 ? c :
yes3 ? d : default;
=== if( yes ) {
a
}else if( yes1 ) {
b
}else if( yes2 ) {
c
}else if( yes3 ) {
d
};
二:
( yes ? a : b ) ? c : d
====
var bVal;
if( yes ) {
temp = a;
}else{
temp = b;
};
if( bVal ) {
c;
}else{
d
}
*/
});
});
},
scrollTop: function(value){
if (!
this.length)
return
var hasScrollTop = 'scrollTop'
in this[0
]
//获取的话直接返回scrollTop, 如果当前元素没有滚动条, 就返回相对整个界面的pageYOffset;
if (value === undefined)
return hasScrollTop ?
this[0].scrollTop :
this[0
].pageYOffset
return this.each(hasScrollTop ?
//当前元素有滚动高度, 就直接设置,
//如果没有滚动高度, 就设置为整个界面的滚动高度;
function(){
this.scrollTop =
value } :
function(){
this.scrollTo(
this.scrollX, value) })
},
scrollLeft: function(value){
if (!
this.length)
return
var hasScrollLeft = 'scrollLeft'
in this[0
]
if (value === undefined)
return hasScrollLeft ?
this[0].scrollLeft :
this[0
].pageXOffset
return this.each(hasScrollLeft ?
function(){
this.scrollLeft =
value } :
function(){
this.scrollTo(value,
this.scrollY) })
},
position: function() {
if (!
this.length)
return
var elem =
this[0
],
// Get *real* offsetParent //这个元素一定是相对定位 “relative”或者是“absolute”定位的;
offsetParent =
this.offsetParent(),
// Get correct offsets
//offset是相对整个文档界面的left和top, 以及width和height;
offset =
this.offset(),
//父级的相对HTML的offset(left, top, height, width);
//rootNodeRE是指BODY或者是HTML元素;
parentOffset = rootNodeRE.test(offsetParent[0].nodeName) ? { top: 0, left: 0
} : offsetParent.offset()
// Subtract element margins
// note: when an element has margin: auto the offsetLeft and marginLeft
// are the same in Safari causing offset.left to incorrectly be 0
//如果这个元素的margin-top是正的无限大,那么offset.top也是正的无限大, 是相对的;
//这个获取的offset是相对上一个相对或者绝对定位的位置 ; 这个offset值是包含margin的所以要把margin减去;
//知识点1: nodes[0].offsetLeft || nodes[0].offsetTop是包含margin的,从元素的 border开始(居然忘记了);
//知识点2: absolute或者relative的定位是从contentBox开始的
//而zepto的offset()是相对界面的left,和top, 最后的值要是元素的margin到上一个定位元素的contentBox(标准定义也是这样的);
offset.top -= parseFloat( $(elem).css('margin-top') ) || 0
offset.left -= parseFloat( $(elem).css('margin-left') ) || 0
// Add offsetParent borders
parentOffset.top += parseFloat( $(offsetParent[0]).css('border-top-width') ) || 0
parentOffset.left += parseFloat( $(offsetParent[0]).css('border-left-width') ) || 0
// Subtract the two offsets
return {
//offset.top - parentOffset.left - el.margin-top - parentOffset.border-left-width;
top: offset.top -
parentOffset.top,
left: offset.left -
parentOffset.left
};
//评论;因为平台兼容问题,position根据标准等问题;直接把获取当前元素和父级元素的offset;
//==> el.offset.top - parent.offset.top - el.style.marginTop - parent.style.borderTop;
//TODO这个position为什么不通过el.css("position")进行获取呢?
},
offsetParent: function() {
return this.map(
function(){
var parent =
this.offsetParent ||
document.body;
//存在这个parent元素, 不是documentElement( html节点 ) 而且这个元素的样式"position"值不为"static";
/*<!--
TODO : 可能存在一个元素的offsetParent的position值为static?
-->*/
while (parent && !rootNodeRE.test(parent.nodeName) && $(parent).css("position") == "static"
)
parent =
parent.offsetParent;
return parent
})
}
}
// for now
$.fn.detach =
$.fn.remove
/*
//不包含滚动条和边框的宽度;
window.innerWidth
//包含滚动条和边框;
window.outerWidth
window.innerHeight
window.outerHeight
document.documentElement.clientHeight
//卧槽,这个比window.innerWidth少了17px..
document.documentElement.clientWidth
document.documentElement.scrollWidth
document.documentElement.scrollTop
document.documentElement.scrollHeight
*/
// Generate the `width` and `height` functions
;['width', 'height'].forEach(
function(dimension){
//把第一个字符变成大写的给dimensionProperty;
var dimensionProperty =
dimension.replace(/./,
function(m){
return m[0
].toUpperCase() })
$.fn[dimension] =
function(value){
var offset, el =
this[0
]
//对window和document和其他节点元素分别处理;
//如果是window就直接返回window.innerWidth
if (value === undefined)
return isWindow(el) ? el['inner' +
dimensionProperty] :
isDocument(el) ? el.documentElement['scroll' +
dimensionProperty] :
//通过offset（）获取的值返回;
(offset =
this.offset()) &&
offset[dimension];
//设置值
else return this.each(
function(idx){
el = $(
this)
el.css(dimension, funcArg(this, value, idx, el[dimension]()))
});
};
});
//迭代node的所有子元素
function traverseNode(node, fun) {
fun(node)
//node的childNodes时包含空节点的;
for (
var i = 0, len = node.childNodes.length; i < len; i++
)
traverseNode(node.childNodes[i], fun)
//如果是我写的话,我会这样;
/*
if( node.childNodes.length ) {
for (var i = 0, len = node.childNodes.length; i < len; i++);
traverseNode(node.childNodes[i], fun);
}
*/
}
// Generate the `after`, `prepend`, `before`, `append`,
// `insertAfter`, `insertBefore`, `appendTo`, and `prependTo` methods.
// adjacencyOperators = [ 'after', 'prepend', 'before', 'append' ];
adjacencyOperators.forEach(
function(operator, operatorIndex) {
/*
0%2
==>>0
1%2
==>>1
2%2
==>>0
3%2
==>>1
*/
var inside = operatorIndex % 2
//=> prepend, append
$.fn[operator] =
function(){
// arguments can be nodes, arrays of nodes, Zepto objects and HTML strings
var argType,
/*
把传的参数调整一下, 是字符串就转化成节点;
*/
nodes = $.map(arguments,
function(arg) {
argType =
type(arg)
return argType == "object" || argType == "array" || arg ==
null ?
arg : zepto.fragment(arg)
}),
parent,
//如果当前选中的元素有多个, 就把传的参数进行复制;
copyByClone =
this.length > 1
//没参数进来就跳走;
if (nodes.length < 1)
return this
return this.each(
function(_, target){
//如果是append或者是prepend那么parent就改成targetparent，否则parent就不要变了就是this;
parent = inside ?
target : target.parentNode
//convert all methods to a "before" operation
// [ 'after', 'prepend', 'before', 'append' ];
target = operatorIndex == 0 ?
target.nextSibling :
operatorIndex == 1 ?
target.firstChild :
operatorIndex == 2 ?
target :
null
//只要是包含都是true值;
var parentInDocument =
$.contains(document.documentElement, parent);
//把所有传进来的node跑一遍;
nodes.forEach(
function(node){
//基础: if( a ){ console.log( a ) }else if( a )console.log(a) //true 就一个;
if (copyByClone) node = node.cloneNode(
true)
else if (!parent)
return $(node).remove()
//如果 operator符是after ==>> parent为targer.parentNode; target为 target.nextElementSibling;
parent.insertBefore(node, target);
//TODO, 不能 traverseNode parent或者是target, 必须traverseNode node才行, 把node里面的script标签执行;
if (parentInDocument) traverseNode(node,
function(el){
//判断方法;
if (el.nodeName !=
null && el.nodeName.toUpperCase() === 'SCRIPT' &&
(!el.type || el.type === 'text/javascript') && !
el.src)
//全局eval跑javascirpt代码;
window['eval'
].call(window, el.innerHTML)
})
})
})
}
// after => insertAfter
// prepend => prependTo
// before => insertBefore
// append => appendTo
//..这个看了能不晕吗..逻辑就是把传进来的html作为相对的节点; this为参数重新传过去;
$.fn[inside ? operator+'To' : 'insert'+(operatorIndex ? 'Before' : 'After')] =
function(html){
$(html)[operator](this)
return this
}
})
zepto.Z.prototype =
$.fn
// Export internal API functions in the `$.zepto` namespace
zepto.uniq =
uniq
zepto.deserializeValue =
deserializeValue
$.zepto =
zepto;
window.Zepto =
Zepto
window.$ === undefined && (window.$ =
Zepto)
//到达事件模块;
;(
function($){
var _zid = 1
, undefined,
slice =
Array.prototype.slice,
isFunction =
$.isFunction,
isString =
function(obj){
return typeof obj == 'string'
},
//保存所有元素对应的事件列表;
handlers =
{},
specialEvents=
{
"click" : "MouseEvents"
,
"mousedown" : "MouseEvents"
,
"mouseup" : "MouseEvents"
,
"mousemove" : "MouseEvents"
},
focusinSupported = 'onfocusin'
in window,
focus = { focus: 'focusin', blur: 'focusout'
},
hover = { mouseenter: 'mouseover', mouseleave: 'mouseout'
};
specialEvents.click = specialEvents.mousedown = specialEvents.mouseup = specialEvents.mousemove = 'MouseEvents'
//保存一个元素的el;
function zid(element) {
return element._zid || (element._zid = _zid++
)
};
//迭代寻找handler;
//在el对应的zid, 在handlers里面, 通过event, 或者fn, 或者selector 匹配到所有的对应函数;
function findHandlers(element, event, fn, selector) {
event =
parse(event)
if (event.ns)
var matcher =
matcherFor(event.ns)
//过滤所有的合适的handlers;
return (handlers[zid(element)] || []).filter(
function(handler) {
return handler
//handler前提要存在
&& (!event.e || handler.e == event.e)
//没有event.e就走下一个, 有event.e的话event.e要等于 handler.e;
&& (!event.ns || matcher.test(handler.ns))
//没有event.ns就走下一个, 有event.ns的话event.ns要等于 hanler.ns;
&& (!fn || zid(handler.fn) === zid(fn))
//没有fn就走下一个, 有fn的话fn.zid要等于 handler.fn.zid;
&& (!selector || handler.sel == selector)
//没有selector就走下一个, 有selector的话selector要等于 handler.sel;
})
};
function parse(event) {
//返回 一个对象 这个对象包含 ev和 ns 命名空间;
var parts = ('' + event).split('.'
)
return {e: parts[0], ns: parts.slice(1).sort().join(' '
)}
};
//匹配正则, 开头或者空格 或者是 结尾或者空格的字符串;
function matcherFor(ns) {
return new RegExp('(?:^| )' + ns.replace(' ', ' .* ?') + '(?: |$)'
)
};
function eventCapture(handler, captureSetting) {
//存在事件代理;
return handler.del &&
//冒泡的focusein不支持 //事件是focus或者blur;
(!focusinSupported && (handler.e
in focus)) ||
//或者接着 去captureSetting的布尔值;
!!
captureSetting
};
//mouse事件的替换; focusinSupported;
function realEvent(type) {
return hover[type] || (focusinSupported && focus[type]) ||
type
};
//zip是正常的绑定事件, 只是对事件兼容进行了处理, 所有保存的事件在handlers下都可以找到:
//$("body").bind("click",function(){console.log(1)});
//那么 data, selector delegator capture的值全为undefined
function add(element, events, fn, data, selector, delegator, capture) {
//handlers保存在内部变量, 保存每一个element对应的zid的 handlers, 以后可以找到这个handlers的handler进行操作;
var id = zid(element), set = (handlers[id] || (handlers[id] =
[]))
events.split(/\s/).forEach(
function(event){
//如果是函数,就把fn放到DOM加载完毕以后执行;
if (event == 'ready')
return $(document).ready(fn);
//Object {e: "click", ns: ""} 这个是parse以后的event对象;
var handler =
parse(event)
handler.fn =
fn
handler.sel =
selector
//对fn进行重写;
// emulate mouseenter, mouseleave
if (handler.e
in hover) fn =
function(e){
var related =
e.relatedTarget
if (!related || (related !==
this && !$.contains(
this, related)))
return handler.fn.apply(
this, arguments)
}
handler.del =
delegator;
//设置回调, delegator的 回调对象优先, fn这个对象的优先级相对较低;
var callback = delegator ||
fn;
//这个就是元素绑定的事件;
handler.proxy =
function(e) {
//对事件对象进行兼容处理;
//如果compatible就传一个(e), 那么compatible就返回这个e, 没有任何改变;
e =
compatible(e);
//isImmediatePropagationStopped都支持的吗?;
if (e.isImmediatePropagationStopped())
return;
e.data =
data
//通过这个桥接 执行回调, 回调的上下文为element; _args是什么鸟东西;
var result = callback.apply(element, e._args == undefined ?
[e] : [e].concat(e._args));
//如果这个返回值是false就执行取消默认事件和事件冒泡, 和jQ一样样的;
if (result ===
false) e.preventDefault(), e.stopPropagation();
//这个返回有什么用..个人认为这个是习惯性返回;
return result;
};
//handler.i为当前的length值,就是该元素对应的索引值;
handler.i =
set.length;
/*
{
del: undefined, //
e: "click",
ns: "",
fn: function (){console.log(1)},
i: 0,
proxy: function (e){}
*/
set.push(handler);
if ('addEventListener'
in element)
//realEvent(handler.e), 因为可能有一些事件不支持,对事件进行兼容处理hover[type] || (focusinSupported && focus[type]) || type
element.addEventListener(realEvent(handler.e), handler.proxy
/*这个是hanler的引用,如果要修改handler.proxy也很简单*/, eventCapture(handler, capture))
});
};
function remove(element, events, fn, selector, capture){
var id =
zid(element)
;(events || '').split(/\s/).forEach(
function(event){
//就是通过event或者fn或者是selector寻找handler,
//只要handler找到了, 绑定的函数的详细信息就找到了;
findHandlers(element, event, fn, selector).forEach(
function(handler){
// handlers[id]是所有事件的数组; handler.i是当前数组的index;
delete handlers[id][handler.i]
//因为所有的事件都是保存在handlers[zid]里面, 可以很快的通过"event或者fn以及selector"找到需要的信息,再进行removeEventListener;
if ('removeEventListener'
in element)
element.removeEventListener(realEvent(handler.e), handler.proxy, eventCapture(handler, capture))
});
});
};
//可以直接通过方法进行调用;
$.event =
{ add: add, remove: remove };
//改变文件的上下文;
$.proxy =
function(fn, context) {
//保存第二个开始的所有参数;
var args = (2
in arguments) && slice.call(arguments, 2
)
if (isFunction(fn)) {
var proxyFn =
function(){
return fn.apply( context
/*上下文*/, args
/*有参数的话就concat*/?
args.concat(slice.call(arguments)) : arguments );
};
//为proxy设置_zid;
proxyFn._zid =
zid(fn);
return proxyFn;
} else if (isString(context)) {
if ( args ) {
//修正args参数
args.unshift(fn[context], fn)
//这个相当于 $.proxy( Array.prototype.slice.call(args) );
return $.proxy.apply(
null, args)
} else {
//用fn[context]执行 fn;
return $.proxy(fn[context], fn)
}
} else {
throw new TypeError("expected function"
)
}
}
//bind和on一摸一样
$.fn.bind =
function(event, data, callback){
return this.on(event, data, callback)
};
//unbind和off一摸一样;
$.fn.unbind =
function(event, callback){
return this.off(event, callback)
};
$.fn.one =
function(event, selector, data, callback){
return this.on(event, selector, data, callback, 1
)
};
var returnTrue =
function(){
return true},
returnFalse =
function(){
return false},
ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$)/
,
eventMethods =
{
preventDefault: 'isDefaultPrevented'
,
stopImmediatePropagation: 'isImmediatePropagationStopped'
,
stopPropagation: 'isPropagationStopped'
};
//event为新的事件对象 后者event不支持isXXXX属性的话;
function compatible(event, source) {
//事件不支持isDefaultPrevented这个方法的话;
//这样说明event对象也不支持isImmediatePropagationStopped和isPropagationStopped;
if (source || !event.isDefaultPrevented) {
//source有的话就是有, source没有的话把event给source;
source || (source =
event);
$.each(eventMethods, function(name, predicate) {
//保存原来的方法(//preventDefault //stopImmediatePropagation //stopPropagation);
var sourceMethod =
source[name];
event[name] =
function() {
//设置为真值;
this[predicate] =
returnTrue;
//
return sourceMethod &&
sourceMethod.apply(source, arguments);
};
//手动设置(//isDefaultPrevented //isImmediatePropagationStopped //isPropagationStopped);
event[predicate] =
returnFalse;
});
/*
函数的重载(个人认为么么哒);
function wrapFn(target, another) {
var temp = target;
target = function() {
temp.apply(temp, arguments);
another();
};
return target;
};
var fn = function() {};
fn = wrapFn( fn , fn1);
fn();
*/
//
//event.defaultPrevented //==>> https://developer.mozilla.org/en-US/docs/Web/API/event.defaultPrevented
//Summary
//Returns a boolean indicating whether or not event.preventDefault() was called on the event.
//Note: You should use this instead of the non-standard, deprecated getPreventDefault() method (see bug 691151).
if (source.defaultPrevented !== undefined ? source.defaultPrevented :
//如果事件的source.defaultPrevented不是undefined的话returnValue;
'returnValue'
in source ? source.returnValue ===
false :
//如果是IE的事件机制.returnValue 是false的话走进去;
source.getPreventDefault && source.getPreventDefault())
//默认事件是否被取消默认事件的兼容处理;
event.isDefaultPrevented =
returnTrue;
};
return event;
};
//新建event;
function createProxy(event) {
var key, proxy =
{ originalEvent: event }
for (key
in event)
// ignoreProperties = /^([A-Z]|returnValue$|layer[XY]$)/, 为什么要避免returnValue和 layerX和 layerY呢;
if (!ignoreProperties.test(key) && event[key] !== undefined) proxy[key] = event[key]
//复制事件对象;
//处理事件对象的兼容问题;
return compatible(proxy, event)
};
$.fn.delegate =
function(selector, event, callback){
return this.on(event, selector, callback)
};
$.fn.undelegate =
function(selector, event, callback){
return this.off(event, selector, callback)
}
//JQ高版本不存在live和 die方法了;
$.fn.live =
function(event, callback){
$(document.body).delegate(this.selector, event, callback)
return this
}
$.fn.die =
function(event, callback){
$(document.body).undelegate(this.selector, event, callback)
return this
}
$.fn.on =
function(event, selector, data, callback, one){
var autoRemove, delegator, $
this =
this
//如果事件不是字符串
/*
是这一种情况下 :
{
"click" : function() {},
"touchend" : function() {}
}
*/
if (event && !
isString(event)) {
$.each(event, function(type, fn){
$this.on(type, selector, data, fn, one)
})
return $
this
};
//调整正确的参数
//判断selector不是正确的参数,把selector设置为undefined
if (!isString(selector) && !isFunction(callback) && callback !==
false)
callback = data, data = selector, selector =
undefined
//判断data是function,把data设置为undefined
if (isFunction(data) || data ===
false)
callback = data, data =
undefined
if (callback ===
false) callback =
returnFalse
//对当前的所有元素进行迭代;
return $
this.each(
function(_, element){
//只执行一次的话;
if (one) autoRemove =
function(e){
//清除当前元素的事件;
remove(element, e.type, callback)
return callback.apply(
this, arguments)
};
//如果有事件代理的话
if (selector) delegator =
function(e){
//对e.target匹配的最近的selector;
var evt, match = $(e.target).closest(selector, element).get(0
);
//match还能match到element..
if (match && match !==
element) {
//对事件进行添加属性;
evt = $.extend(createProxy(e), {currentTarget: match
/*target就是这个了*/, liveFired: element});
//liveFired为绑定的element
//对函数进行重载;
return (autoRemove || callback).apply(match, [evt].concat(slice.call(arguments, 1
)))
};
};
add(element, event, callback, data, selector, delegator ||
autoRemove)
});
};
$.fn.off =
function(event, selector, callback){
var $
this =
this
if (event && !
isString(event)) {
//对对象进行处理, 加载自己;
$.each(event,
function(type, fn){
$this.off(type, selector, fn)
})
return $
this
};
//对参数进行处理;
if (!isString(selector) && !isFunction(callback) && callback !==
false)
callback = selector, selector =
undefined
if (callback ===
false) callback =
returnFalse
//
return $
this.each(
function(){
remove(this, event, callback, selector)
});
};
$.fn.trigger =
function(event, args){
event = (isString(event) ||
//如果是空对象就新建一个事件对象, 否则就对这个对象进行兼容处理;
$.isPlainObject(event)) ?
$.Event(event) : compatible(event)
event._args =
args
//对每一个元素进行处理;
return this.each(
function(){
// items in the collection might not be DOM elements
if('dispatchEvent'
in this)
this.dispatchEvent(event)
//手动触发事件;
else $(
this).triggerHandler(event, args)
});
};
// triggers event handlers on current element just as if an event occurred, //触发让事件发生;
// doesn't trigger an actual event, doesn't bubble 不会触发真正的事件, 不会事件冒泡
$.fn.triggerHandler =
function(event, args) {
var e, result
//每一个元素都进行处理;
this.each(
function(i, element){
//新建新的event或者是直接用模拟的event触发事件;
e = createProxy(isString(event)
/*为什么传进来的会是字符串*/ ?
$.Event(event) : event)
e._args =
args;
e.target =
element;
//通过element的 event.type或者 event找到 事件函数, 直接执行hadler.proxy( e )// e为参数;
$.each(findHandlers(element, event.type || event),
function(i, handler){
result =
handler.proxy(e);
if (e.isImmediatePropagationStopped())
return false;
});
});
return result;
};
//使用快捷方法直接绑定到$.fn上面去;
// shortcut methods for `.bind(event, fn)` for each event type
;('focusin focusout load resize scroll unload click dblclick '+
'mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave '+
'change select keydown keypress keyup error').split(' ').forEach(
function(event) {
$.fn[event] =
function(callback) {
return callback ?
this.bind(event, callback) :
this.trigger(event)
}
})
;['focus', 'blur'].forEach(
function(name) {
$.fn[name] =
function(callback) {
if (callback)
this.bind(name, callback)
else this.each(
function(){
try {
this[name]() }
catch(e) {}
})
return this
}
})
//新建事件模型;
$.Event =
function(type, props) {
if (!isString(type)) props = type, type =
props.type
var event = document.createEvent(specialEvents[type] || 'Events'), bubbles =
true
if (props)
for (
var name
in props) (name == 'bubbles') ? (bubbles = !!props[name]) : (event[name] =
props[name])
event.initEvent(type, bubbles, true)
return compatible(event)
}
})(Zepto);
;(function($){
//jsonID一看就知道是递增的
var jsonpID = 0
,
//为了浏览器更快的找到document,不必一层层往上最后在window下找到document
document =
window.document,
key,
name,
//匹配闭合的<script>标签, as like <script src="1213123">sdfsdf</script>;
rscript = /<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/
gi,
//匹配text/javascript或者application/javascript;
scriptTypeRE = /^(?:text|application)\/javascript/
i,
//匹配text/xml 和 application/xml
xmlTypeRE = /^(?:text|application)\/xml/
i,
//
jsonType = 'application/json'
,
//
htmlType = 'text/html'
,
//匹配所有空标签;
blankRE = /^\s*$/
// trigger a custom event and return false if it was cancelled
function triggerAndReturn(context, eventName, data) {
var event =
$.Event(eventName)
$(context).trigger(event, data)
return !
event.isDefaultPrevented()
}
// trigger an Ajax "global" event
function triggerGlobal(settings, context, eventName, data) {
if (settings.global)
return triggerAndReturn(context ||
document, eventName, data)
}
// Number of active Ajax requests
$.active = 0
function ajaxStart(settings) {
//如果设置里有global, 而且是第一次发送ajax, 就手动触发document的"ajaxStart";
if (settings.global && $.active++ === 0) triggerGlobal(settings,
null, 'ajaxStart'
)
}
function ajaxStop(settings) {
//和上面的一模一样;
if (settings.global && !(--$.active)) triggerGlobal(settings,
null, 'ajaxStop'
)
}
// triggers an extra global event "ajaxBeforeSend" that's like "ajaxSend" but cancelable
function ajaxBeforeSend(xhr, settings) {
var context =
settings.context
//触发options里面的beforeSend自定义事件;
if (settings.beforeSend.call(context, xhr, settings) ===
false ||
//触发dcoument的ajaxBeforeSend事件,
//或者是options.context的ajaxBeforeSend事件;
triggerGlobal(settings, context, 'ajaxBeforeSend', [xhr, settings]) ===
false)
return false;
//触发document或者是指定上下文的"ajaxSend"事件;
triggerGlobal(settings, context, 'ajaxSend'
, [xhr, settings])
}
function ajaxSuccess(data, xhr, settings, deferred) {
var context = settings.context, status = 'success'
settings.success.call(context, data, status, xhr)
if (deferred) deferred.resolveWith(context, [data, status, xhr])
triggerGlobal(settings, context, 'ajaxSuccess'
, [xhr, settings, data])
ajaxComplete(status, xhr, settings);
}
// type: "timeout", "error", "abort", "parsererror"
function ajaxError(error, type, xhr, settings, deferred) {
var context =
settings.context
settings.error.call(context, xhr, type, error)
if (deferred) deferred.rejectWith(context, [xhr, type, error])
triggerGlobal(settings, context, 'ajaxError', [xhr, settings, error ||
type])
ajaxComplete(type, xhr, settings)
}
// status: "success", "notmodified", "error", "timeout", "abort", "parsererror"
function ajaxComplete(status, xhr, settings) {
var context =
settings.context
settings.complete.call(context, xhr, status)
triggerGlobal(settings, context, 'ajaxComplete'
, [xhr, settings])
ajaxStop(settings)
}
// Empty function, used as default callback
function empty() {}
$.ajaxJSONP =
function(options, deferred){
//如果没有type就会走ajax的请求了;
if (!('type'
in options))
return $.ajax(options)
//保存回调的设置;
var _callbackName =
options.jsonpCallback,
//这个callback要是等到script加载完毕以后才执行的,现状可能没有这个函数
//如果现在有回调,而且回调是函数 就立即执行
callbackName = ($.isFunction(_callbackName) ?
//_callbackName为假值（false,null,undefined,""..)的时候,回调执行返回为自己定义递增的回调名字;
_callbackName()
/*TODO:这个还要跑一下才行?*/ : _callbackName) || ('jsonp' + (++
jsonpID)),
//新建标签
script = document.createElement('script'
),
//这个要保存当前的回调;
originalCallback =
window[callbackName],
responseData,
//取消的桥接(传送器);,超时("timeout")或者是错误("error")的时候触发的消息;
abort =
function(errorType) {
$(script).triggerHandler('error', errorType || 'abort'
)
},
xhr =
{ abort: abort },
//如果有传这个option.abortTimeout ,那么超时就取消;
abortTimeout
//TODO：为什么要把xhr放进去， xhr只是一个对象啊
if (deferred) deferred.promise(xhr)
//要先绑定事件, 绑定加载和失败事件
$(script).on('load error',
function(e, errorType){
//取消setTimeout;
clearTimeout(abortTimeout);
//删除事件,从dom中删除;
$(script).off().remove()
if (e.type == 'error' || !
responseData) {
//统一的事件处理, 方便添加各种自定义的事件
ajaxError(
null, errorType || 'error'
, xhr, options, deferred)
} else {
//统一的事件处理, 方便添加各种自定义的事件
ajaxSuccess(responseData[0
], xhr, options, deferred)
}
//这个为什么用callback？为了思路更加清楚?才把callback保存起来,然后统一运行?
//把回调重新赋值到window下面然后用callback跑起来;
window[callbackName] =
originalCallback
if (responseData &&
$.isFunction(originalCallback))
originalCallback(responseData[0
])
originalCallback = responseData =
undefined
});
//执行自定义事件;
if (ajaxBeforeSend(xhr, options) ===
false) {
//事件执行的返回为false就会把执行中断;
abort('abort'
)
return xhr
}
//JSONP就是一个链接放到DOM中;服务器会把返回的数据放在请求的回调,让会让回调执行, 服务器不管本地是否有回调这个东西, 负责执行就好了;
//覆盖(假冒)了当前的回调,把返回的结果保存起来了;
window[callbackName] =
function(){
responseData =
arguments
};
// ?xx=? ==》》 ?xx=callbackName;
//替换
script.src = options.url.replace(/\?(.+)=\?/, '?$1=' +
callbackName)
//动态添加节点;
document.head.appendChild(script)
//如果有超时这个选项, 就启动一个定时器, 到时间了取消(abort);
if (options.timeout > 0) abortTimeout = setTimeout(
function(){
abort('timeout'
)
}, options.timeout)
return xhr
};
//设置以后就都变成了全局变量了
$.ajaxSettings =
{
// Default type of request
type: 'GET'
,
// Callback that is executed before request
//这些一堆东西基本上都要设置;
beforeSend: empty,
// Callback that is executed if the request succeeds
success: empty,
// Callback that is executed the the server drops error
error: empty,
// Callback that is executed on request complete (both: error and success)
complete: empty,
// The context for the callbacks
context:
null,
// Whether to trigger "global" Ajax events
global:
true,
// Transport ,好屌的传送器, 只要这样就好了,没有任何兼容问题;
xhr:
function () {
return new window.XMLHttpRequest()
},
// MIME types mapping
// IIS returns Javascript as "application/x-javascript"
accepts: {
script: 'text/javascript, application/javascript, application/x-javascript'
,
json: jsonType,
xml: 'application/xml, text/xml'
,
html: htmlType,
text: 'text/plain'
},
// Whether the request is to another domain
//$.ajaxSettings.crossDomain = true;jQuery也有这个东西, 打开默认的跨域ajax设置;
crossDomain:
false,
// Default timeout
timeout: 0
,
// Whether data should be serialized to string
processData:
true,
// Whether the browser should be allowed to cache GET responses
cache:
true
}
function mimeToDataType(mime) {
if (mime) mime = mime.split(';', 2)[0
]
return mime && ( mime == htmlType ? 'html'
:
mime == jsonType ? 'json'
:
scriptTypeRE.test(mime) ? 'script'
:
xmlTypeRE.test(mime) && 'xml' ) || 'text'
}
function appendQuery(url, query) {
if (query == '')
return url
return (url + '&' + query).replace(/[&?]{1,2}/, '?'
)
}
// serialize payload and append it to the URL for GET requests
function serializeData(options) {
//如果发送的数据是JOSON格式就序列化;
if (options.processData && options.data && $.type(options.data) != "string"
)
options.data =
$.param(options.data, options.traditional)
//默认的option.type如果被用户的type覆盖的话 , 或者type就是"get"就把option.data转成url请求的格式
//xx.html?xx=11&yy=2&zz=3 这样的;
if (options.data && (!options.type || options.type.toUpperCase() == 'GET'
))
options.url = appendQuery(options.url, options.data), options.data =
undefined
}
//主流程;
$.ajax =
function(options){
var settings = $.extend({}, options ||
{}),
//如果有引用了Deferred延迟对象, 就会返回延迟对象;
deferred = $.Deferred &&
$.Deferred();
//把所有用户没有设置的默认设置复制到设置上面;
for (key
in $.ajaxSettings)
if (settings[key] === undefined) settings[key] =
$.ajaxSettings[key]
//触发document上的ajaxStart事件;
ajaxStart(settings)
//中断检测是否跨域, 被设置settings.crossDomain这个属性;
if (!settings.crossDomain) settings.crossDomain = /^([\w-]+:)?\/\/([^\/]+)/.test(settings.url) &&
RegExp.$2 !=
window.location.host
//
if (!settings.url) settings.url =
window.location.toString();
//修正发送的数据;
serializeData(settings);
var dataType =
settings.dataType,
///\?.+=\?/.test("http://ww.xx.com/?sdfsdf=?sdfs") ==>> ture;
hasPlaceholder = /\?.+=\?/
.test(settings.url)
if (hasPlaceholder) dataType = 'jsonp'
//是否添加时间戳;
if (settings.cache ===
false ||
(
(!options || options.cache !==
true) &&
('script' == dataType || 'jsonp' ==
dataType)
))
settings.url = appendQuery(settings.url, '_=' +
Date.now())
//如果是jsonp的话;
if ('jsonp' ==
dataType) {
//请求的地址没有回调参数的话, 要根据callback设定一个回调的名字;
if (!
hasPlaceholder)
settings.url =
appendQuery(settings.url,
settings.jsonp ? (settings.jsonp + '=?') : settings.jsonp ===
false ? '' : 'callback=?'
)
return $.ajaxJSONP(settings, deferred)
};
/**
* accepts: {
script: 'text/javascript, application/javascript, application/x-javascript',
json: jsonType,
xml: 'application/xml, text/xml',
html: htmlType,
text: 'text/plain'
*/
var mime =
settings.accepts[dataType],
headers =
{ },
setHeader =
function(name, value) { headers[name.toLowerCase()] =
[name, value] },
protocol = /^([\w-]+:)\/\//.test(settings.url) ? RegExp.$1
: window.location.protocol,
xhr =
settings.xhr(),
nativeSetHeader =
xhr.setRequestHeader,
abortTimeout
//JSONP也有这东西;
if (deferred) deferred.promise(xhr)
//设置请求头;
if (!settings.crossDomain) setHeader('X-Requested-With', 'XMLHttpRequest'
)
//设置返回的类型;(告诉服务器,客户端要的数据类型);
/*
* MIME意为多目Internet邮件扩展，它设计的最初目的是为了在发送电子邮件时附加多媒体数据，让邮件客户程序能根据其类型进行处理。
其实就是作为附件进行大数据传输！
* */
setHeader('Accept', mime || '*/*'
)
//如果用户有定义了返回的mime类型, 就重写mime;
if (mime = settings.mimeType ||
mime) {
if (mime.indexOf(',') > -1) mime = mime.split(',', 2)[0
]
xhr.overrideMimeType &&
xhr.overrideMimeType(mime)
};
//是post的话要设置默认的 content-type 到请求头，默认的请求头是表单(FORM)的方式application/x-www-form-unlencoded;
if (settings.contentType || (settings.contentType !==
false && settings.data && settings.type.toUpperCase() != 'GET'
))
setHeader('Content-Type', settings.contentType || 'application/x-www-form-urlencoded'
)
//在设置一些用户自定义的请求头;
if (settings.headers)
for (name
in settings.headers) setHeader(name, settings.headers[name])
xhr.setRequestHeader =
setHeader
xhr.onreadystatechange =
function(){
if (xhr.readyState == 4
) {
//直接去除事件;
xhr.onreadystatechange =
empty
clearTimeout(abortTimeout)
var result, error =
false;
//处理兼容问题;
if ((xhr.status >= 200 && xhr.status < 300) || xhr.status == 304 || (xhr.status == 0 && protocol == 'file:'
)) {
//
dataType = dataType || mimeToDataType(settings.mimeType || xhr.getResponseHeader('content-type'
))
//请求的返回的Text,还有responseXML和 responseBinnary这些东西;
result =
xhr.responseText
try {
// http://perfectionkills.com/global-eval-what-are-the-options/
//全局eval返回的数据;
if (dataType == 'script') (1
,eval)(result)
else if (dataType == 'xml') result =
xhr.responseXML
else if (dataType == 'json') result = blankRE.test(result) ?
null : $.parseJSON(result)
} catch (e) { error =
e }
if (error) ajaxError(error, 'parsererror'
, xhr, settings, deferred)
//成功的事件;
else ajaxSuccess(result, xhr, settings, deferred)
} else {
ajaxError(xhr.statusText ||
null, xhr.status ? 'error' : 'abort'
, xhr, settings, deferred)
}
}
}
//触发自定义事件;
if (ajaxBeforeSend(xhr, settings) ===
false) {
xhr.abort()
ajaxError(null, 'abort'
, xhr, settings, deferred)
return xhr
}
//这个什么东西
if (settings.xhrFields)
for (name
in settings.xhrFields) xhr[name] =
settings.xhrFields[name]
//设置同步或者是异步， 然后设置发送的选项
var async = 'async'
in settings ? settings.async :
true
xhr.open(settings.type, settings.url, async, settings.username, settings.password)
for (name
in headers) nativeSetHeader.apply(xhr, headers[name])
//设置超时就调用 ａｂｏｒｄ（）
if (settings.timeout > 0) abortTimeout = setTimeout(
function(){
xhr.onreadystatechange =
empty
xhr.abort()
ajaxError(null, 'timeout'
, xhr, settings, deferred)
}, settings.timeout)
// avoid sending empty string (#319)
xhr.send(settings.data ? settings.data :
null)
return xhr
}
//一个适配器接口；
// handle optional data/success arguments
function parseArguments(url, data, success, dataType) {
if ($.isFunction(data)) dataType = success, success = data, data =
undefined
if (!$.isFunction(success)) dataType = success, success =
undefined
return {
url: url
, data: data
, success: success
, dataType: dataType
}
}
$.get =
function(
/* url, data, success, dataType */){
return $.ajax(parseArguments.apply(
null, arguments))
}
$.post =
function(
/* url, data, success, dataType */){
var options = parseArguments.apply(
null, arguments)
options.type = 'POST'
return $.ajax(options)
}
$.getJSON =
function(
/* url, data, success */){
var options = parseArguments.apply(
null, arguments)
options.dataType = 'json'
return $.ajax(options)
}
//还有这种快捷方法啊，没用过呢；
//ｕｒｌ这个参数格一个空格后面放 ｓｅｌｅｃｔｏｒ 即可把返回的数据里配到 ｓｅｌｅｃｔｏｒ的ｉｎｎｅｒＨＴＭＬ取出来；
$.fn.load =
function(url, data, success){
if (!
this.length)
return this
var self =
this, parts = url.split(/\s/
), selector,
options =
parseArguments(url, data, success),
callback =
options.success
if (parts.length > 1) options.url = parts[0], selector = parts[1
]
options.success =
function(response){
self.html(selector ?
$('<div>').html(response.replace(rscript, ""
)).find(selector)
: response)
callback &&
callback.apply(self, arguments)
}
$.ajax(options)
return this
}
var escape =
encodeURIComponent
function serialize(params, obj, traditional, scope){
var type, array = $.isArray(obj), hash =
$.isPlainObject(obj)
$.each(obj, function(key, value) {
type =
$.type(value)
if (scope) key = traditional ?
scope :
scope + '[' + (hash || type == 'object' || type == 'array' ? key : '') + ']'
// handle data in serializeArray() format
if (!scope &&
array) params.add(value.name, value.value)
// recurse into nested objects
else if (type == "array" || (!traditional && type == "object"
))
serialize(params, value, traditional, key)
else params.add(key, value)
})
}
$.param =
function(obj, traditional){
var params =
[]
params.add =
function(k, v){
this.push(escape(k) + '=' +
escape(v)) }
serialize(params, obj, traditional)
return params.join('&').replace(/ /g, '+'
)
}
})(Zepto)
;(function($){
//对表单进行序列化成数组么么哒；
$.fn.serializeArray =
function() {
var result =
[], el
$([].slice.call(this.get(0).elements)).each(
function(){
el = $(
this)
var type = el.attr('type'
)
if (
this.nodeName.toLowerCase() != 'fieldset' &&
!
this.disabled && type != 'submit' && type != 'reset' && type != 'button' &&
((type != 'radio' && type != 'checkbox') ||
this.checked))
result.push({
name: el.attr('name'
),
value: el.val()
})
})
return result
}
//把ｓｅｒｉａｌｉｚｅＡｒｒａｙ拼成Ｇｅｔ请求的方式；
$.fn.serialize =
function(){
var result =
[]
this.serializeArray().forEach(
function(elm){
result.push(encodeURIComponent(elm.name) + '=' +
encodeURIComponent(elm.value))
})
return result.join('&'
)
}
$.fn.submit =
function(callback) {
if (callback)
this.bind('submit'
, callback)
else if (
this.length) {
var event = $.Event('submit'
)
this.eq(0
).trigger(event)
if (!event.isDefaultPrevented())
this.get(0
).submit()
}
return this
}
})(Zepto)
;(function($){
// __proto__ doesn't exist on IE<11, so redefine
// the Z function to use object extension instead
if (!('__proto__'
in {})) {
//解决ＩＥ低版本的——ｐｒｏｐ——不可以使用的问题；这个会覆盖原来的＄．ｚｅｐｔｏ．Ｚ
$.extend($.zepto, {
Z: function(dom, selector){
//ｄｏｍ应该是已经选择的元素的集合（ａｒｒａｙ类型的）；
dom = dom ||
[]
//手动复制继承；
$.extend(dom, $.fn)
dom.selector = selector || ''
dom.__Z =
true
return dom
},
// this is a kludge but works
isZ:
function(object){
return $.type(object) === 'array' && '__Z'
in object
}
})
}
// getComputedStyle shouldn't freak out when called
// without a valid element as argument
//ｇｅｔＣｏｍｐｕｔｅｄＳｔｙｌｅ还有这个问题．．库就是处理兼容的神器啊；
try {
getComputedStyle(undefined)
} catch(e) {
var nativeGetComputedStyle =
getComputedStyle;
window.getComputedStyle =
function(element){
try {
return nativeGetComputedStyle(element)
} catch(e) {
return null
}
}
}
})(Zepto)
转载于:https://www.cnblogs.com/diligenceday/p/4100166.html
相关资源：JAVA上百实例源码以及开源项目
