<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<h1>我的 Web 页面</h1>
<button type="button" onclick="myFunction()">点击这里</button>
<h1>我的 Web 页面</h1>
<p id="demo">一个段落。</p>
<div id="myDIV">一个 DIV。</div>
<button type="button" onclick="test()" id="button">点击</button>
<div id="demo1">显示</div>
<script>
var tPic=document.getElementById("demo1");
tPic.style.display="none";//隐藏，不占位
function test() {
document.getElementById("demo").innerHTML = "你好 Dolly";
document.getElementById("myDIV").innerHTML = "你最近怎么样?";
var buttonValue= document.getElementById('button').innerHTML;
var buttonValue= document.getElementById('button').innerHTML;
if(buttonValue=='返回'){
window.location.reload();
}
document.getElementById("button").innerHTML = "返回";
var buttonValue= document.getElementById('button').innerHTML;
tPic.style.display="";//显示
}
</script>
</body>
<script>
function myFunction() {
var jsObj = {};
jsObj.testArray = [1, 2, 3, 4, 5];
jsObj.name = "ck";
jsObj.date = Date();
var str = JSON.stringify(jsObj);
var str1 = JSON.parse(str);
alert(str);
alert(str1);
alert(str1.date);
}
</script>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<p>点击按钮，显示确认框。</p>
<button onclick="myFunction()">点我</button>
<p id="demo"></p>
<script>
function myFunction(){
var x;
var r=confirm("按下按钮!");
if (r==true){
x="你按下了\"确定\"按钮!";
}
else{
x="你按下了\"取消\"按钮!";
}
document.getElementById("demo").innerHTML=x;
}
</script>
</body>
</html>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<h1>我的 Web 页面</h1>
<button type="button" onclick="myFunction()">点击这里</button>
<h1>我的 Web 页面</h1>
<p id="demo">一个段落。</p>
<div id="myDIV">一个 DIV。</div>
<button type="button" onclick="test()" id="button">点击</button>
<div id="demo1">显示</div>
<script>
var tPic = document.getElementById("demo1");
tPic.style.display = "none"; //隐藏，不占位
function test() {
document.getElementById("demo").innerHTML = "你好 Dolly";
document.getElementById("myDIV").innerHTML = "你最近怎么样?";
var buttonValue = document.getElementById('button').innerHTML;
var buttonValue = document.getElementById('button').innerHTML;
if(buttonValue == '返回') {
window.location.reload();
/*window.history.back();*/
}
document.getElementById("button").innerHTML = "返回";
var buttonValue = document.getElementById('button').innerHTML;
tPic.style.display = ""; //显示
}
</script>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
</head>
<body>
<script>
var json = {};
json.firstname = "John";
json.lastname = "Doe";
json.id = 5566;
var string = JSON.stringify(json);
var json1 = JSON.parse(string);
/*alert(json1);*/
</script>
<button onclick="myFunction1()">点我</button>
<script>
function myFunction1(){
var r=confirm("退出");
if (r==true){
}
else{
}
}
</script>
</body>
</html>
</body>
<script>
function myFunction() {
var jsObj = {};
jsObj.testArray = [1, 2, 3, 4, 5];
jsObj.name = "ck";
jsObj.date = Date();
var str = JSON.stringify(jsObj);
var str1 = JSON.parse(str);
/* alert(str);
alert(str1);
alert(str1.date);*/
}
</script>
</html>
