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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var a = 100;
function testResult(){
var b = 2 * a;
var a = 200;
var c = a / 2 ......
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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 ......
<script language="javascript" type="text/javascript">
// <!CDATA[
function Test()
{
document.location.href = 'test. ......
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