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javascript Prototype Ó÷¨

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ÎÒÃÇËù³£¼ûµÄÀà°üÀ¨£ºÊý×é±äÁ¿(Array)¡¢Âß¼­±äÁ¿(Boolean)¡¢ÈÕÆÚ±äÁ¿(Date)¡¢½á¹¹±äÁ¿(Function)¡¢ÊýÖµ±äÁ¿(Number)¡¢¶ÔÏó±äÁ¿(Object)¡¢×Ö·û´®±äÁ¿(String) µÈ£¬¶øÏà¹ØµÄÀàµÄ·½·¨£¬Ò²ÊdzÌÐòÔ±¾­³£Óõ½µÄ£¨ÔÚÕâÀï񻂿·ÖÒ»ÏÂÀàµÄ×¢ÒâºÍÊôÐÔ·¢·½·¨£©£¬ÀýÈçÊý×éµÄpush·½·¨¡¢ÈÕÆÚµÄgetϵÁз½·¨¡¢×Ö·û´®µÄsplit·½·¨µÈµÈ;
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Number.add(num)£º×÷Óã¬Êý×ÖÏà¼Ó
ʵÏÖ·½·¨£ºNumber.prototype.add = function(num){return(this+num);}
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À´¿´¿´javascriptÀàµÄʵÏÖ·½·¨
//¶¨ÒåÒ»ÏÂÈË
var people = function(){
this.name = 'yuxing';
};
people.prototype.sex = 'boy';
people.prototype.say = function(){
alert('i am say!');
};

var p = new people();
alert(p.name);
alert(p.sex);
p.say(); 
Ò²¿ÉÒÔÕâÑùÓÃ
//¶¨ÒåÒ»ÏÂÈË
var people = function(){
this.name = 'yuxing';
};
people.prototype = {
sex : 'boy',
say : function(){
alert('i am say!');
}
};

var p = new people();
alert(p.name);
alert(p.sex);
p.say(); 
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http://bokee.shinylife.net/blog/article.asp?id=455
http://tech.ddvip.com/2009-05/1243588303121461.html


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1. º¯ÊýÔÚÖ´ÐÐÍê return Ö¸Áîºó¾Í»áÍ£Ö¹Ö´ÐдúÂë.
function test(Num1,Num2){
return Num1+Num2;
alert(Num1+Num2); //never outputs

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function test(num){
alert(num+10);
}
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function myclass(name){
¡¡¡¡¡¡¡¡var str = "private string";¡¡¡¡¡¡¡¡//private field
¡¡¡¡¡¡¡¡function privatefn(){¡¡¡¡¡¡¡¡¡¡¡¡//private method¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡alert(str);
¡¡¡¡¡¡¡¡};
¡¡¡¡¡¡¡¡this.name = name;
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JavaScript WebÁ÷³Ì¶¨Ò幤¾ß

Submitted by gouki on 2008, December 4, 11:47 PM. Javascript
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