javascript Prototype Ó÷¨
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Number.add(num)£º×÷Óã¬Êý×ÖÏà¼Ó
ʵÏÖ·½·¨£ºNumber.prototype.add = function(num){return(this+num);}
ÊÔÑ飺alert((3).add(15)) -> ÏÔʾ 18
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();
¸ü¶à²Î¿¼ÍøÕ¾
http://bokee.shinylife.net/blog/article.asp?id=455
http://tech.ddvip.com/2009-05/1243588303121461.html
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function test(Num1,Num2){
return Num1+Num2;
alert(Num1+Num2); //never outputs
}
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function test(num){
alert(num+10);
}
function ......
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function myclass(name){
¡¡¡¡¡¡¡¡var str = "private string";¡¡¡¡¡¡¡¡//private field
¡¡¡¡¡¡¡¡function privatefn(){¡¡¡¡¡¡¡¡¡¡¡¡//private method¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡alert(str);
¡¡¡¡¡¡¡¡};
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¡¡ ......
Submitted by gouki on 2008, December 4, 11:47 PM. Javascript
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