转载：JS实现ArrayList类

转载网址：http://www.mctower.com/bz/Style.aspx?InfoID=276

// ArrayList. 

function ArrayList(){    this.index = -1;    this.array = new Array();}

ArrayList.prototype.clear = function()  //清空{    this.index = -1;    this.array = new Array();}

ArrayList.prototype.add = function(obj)  //添加{    if (this.getIndex(obj) == -1)    {        this.index = this.index + 1;        this.array[eval(this.index)] = obj;    }}

ArrayList.prototype.get = function(index)  //根据索引取值{    return this.array[eval(index)];}

ArrayList.prototype.size = function()  //获取ArrayList长度{    return this.index + 1;}

ArrayList.prototype.getIndex = function(obj) //根据值取出在ArrayList中索引{    var index = -1;    for (var i = 0; i < this.array.length; i++)    {        if (this.array[i] == obj)        {            index = i;            break;        }    }    return index;}

ArrayList.prototype.remove = function(index)  //根据索引删除{    var j = 0;    var arrThis = this.array;    var arrTemp = new Array();    for (w = 0; w < arrThis.length; w++)    {        if (eval(index) != eval(w))        {            arrTemp[j] = arrThis[w];            j++;        }    }    this.array = arrTemp;    this.index = eval(j - 1);}

ArrayList.prototype.removeValue = function(obj)  //根据值删除{var j = 0;var arrThis = this.array;var arrTemp = new Array();for (w = 0; w < arrThis.length; w++){if (obj != arrThis[w]){arrTemp[j] = arrThis[w];j++;}}this.array = arrTemp;this.index = eval(j - 1);}

ArrayList.prototype.toString = function()  //转换为字符串，中间用','分开{var strResult = "";for (var i = 0; i < this.array.length; i++){if (strResult == "")strResult = this.array[i];elsestrResult = strResult + "," + this.array[i];}return strResult;} 

转载于:https://www.cnblogs.com/lraa/archive/2013/03/29/2989072.html