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function wu()
{
var w=new object;
o.a=1;
return o;
}ÓÃÕâÖÖ·½Ê½´´½¨¶ÔÏó£ºvar u=wu();
2¡¢´´½¨¹¹Ô캯Êý£¬ÓÃnewʵÀý»¯ÀýÈ磺
function wu()
{this.a=1;}
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3¡¢ÔÐÍ·½Ê½,ÀûÓöÔÏóprototypeµÄÊôÐÔÀýÈ磺
function wu()
{}
wu.prototype.a=1;
ÓÃÕâÖÖ·½Ê½´´½¨¶ÔÏó var u=new wu();
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var a=function()
{
this.a=1;
this.b=1;
alert(this);
}
var b=function()
{
this.aa=a;//¶ÔaÖеÄthis ½øÐÐת»»,ͬÑùµÄ·½Ê½»¹ÓÐ
this.aa();
delete this.aa;//Òª°ÑÕâ¸öÖм䷽·¨É¾³ýµô£¬·ñÔò»áÔÚÒÔºóµÄ²Ù×÷Öи²¸ÇÔÀ´ÀàµÄ·½·¨
¡¡//»òÕß
a.call(this,arg1,arg2);
//»òÕß
a.apply(this,[args]);
}
var ob=new b();
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/** obsolete syntax **/
var person=Class.create();//ͨ¹ýclass.create·½·¨´´½¨Ò»¸ö¿ÕÀà
person.prototype={
//°Ñ·½·¨¶¨Òåµ½prototypeÖУ¬×¢Ò⣬ÊÇͨ¹ýinitalize·½·¨³õʼ»¯ÀàµÄÊôÐÔ
initilazie:function(name){
this.name=name;
},
say:function(message){
return this name+":"+message;
}
}
var guy=new person('wu');
guy.say('hi');
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1. Ó¦Óà Array.prototype.joinʵÏÖ×Ö·ûºÏ²¢
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String.prototype.times = function(n) {
return Array.prototype.join.call({length:n+1}, this);
};
"js".times(5) // => "jsjsjsjsjs"
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var ArrayTest=new Array("HE","LL","O");
var hello = Array.prot ......
function addLoadEvent(fun) {
var oldonload = window.onload;
if(typeof(window.onload) != 'function') {
window.onload = fun;
} else {
window.onload = function() {
oldonload();
fun();
}
}
}
//function insertAfter(newElement, targentElement)
function insertAfter(insertedNode, ......
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2006-08-16 12:47
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