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<script type="text/javascript">
<!--
var Anim = function(){};
Anim.prototype.start = function(){alert('start');};
Anim.prototype.stop = function(){alert('stop');};
var obj = new Anim();
obj.start();
obj.stop();
// -->
</script>
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<script type="text/javascript">
<!--
var Anim = function(){};
Anim.prototype = {
start:function(){alert('start');},
stop:function(){alert('stop');}
};
var obj = new Anim();
obj.start();
obj.stop();
// -->
</script>
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<script type="text/javascript">
<!--
//¶ÔFunction¹¹Ô캯ÊýµÄprototypeÔö¼ÓÀ©Õź¯Êý
Function.prototype.extend = function(method, func){
this.prototype[method] = func;
return this; //Ö§³ÖÁ´Ê½²Ù×÷
};
//AnimÊÇеÄFunctionʵÀý£¬ËüµÄ[[prototype]]ÊÇÖ¸ÏòFunction.prototype£¬Òò´ËAnim.extend¿ÉÒÔͨ¹ýËÑË÷ÔÐÍÁ´
//¶øµ÷ÓÃFunction.prototype.extend·½·¨£¬¸Ã·½·¨·µ»Øthis£¬Ò²¾ÍÊǶÔÏóAnim
var Anim = function(){};
Anim.extend('start', function(){alert('start');}).extend('stop', function(){alert('stop');});
var obj = new Anim();
obj.start();
obj.stop();
// -->
</script>
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// JavaScript ½Å±¾£¬½âÎöÐÍÓïÑÔ
//
var ABCD = function(){
var pub = {};
var pri = {};
pri.name = "myhere";
pri.age = 23;
//var ABCDE;
pub.setName = function( newName){
pri.name = newName;
};
// ÕâÀï pub.getName ±»¸³ÖµÎªÒ»¸öº¯Êý£¬¾ÍÊǶ¨ÒåÒ»¸öº¯Êý
// Õâ¸öº¯Êý²¢Ã»ÓÐÔËÐУ¬Õâ¸öº¯Êý ......
1.delete ÔËËã·û
¶ÔÏóɾ³ýÒ»¸öÊôÐÔ£¬»òÊý×éÖÐɾ³ýÒ»¸öÔªËØ¡£½«ÎÞÓõÄÄÚÈÝɾ³ýÒÔ½ÚÊ¡¿Õ¼ä¡£
delete expression
example:
var person = new Object();
person.sex = "male";
alert(person.sex);
delete person.sex;
alert(person.sex);
2. ‘,' ÔËËã·û
var a = 2;
......
1
¡¢Àí½âdocument.all
[]
¡¡¡¡´ÓIE4¿ªÊ¼IEµÄobject
model²ÅÔö¼ÓÁËdocument.all
[],À´¿´¿´document.all
[]µÄDescription:
Array
of all HTML tags in the document.Collection of all elements contained by the
object.
¡¡¡¡Ò²¾ÍÊÇ˵document.all
[]ÊÇÎĵµÖÐËùÓбêÇ©×é³ÉµÄÒ»¸öÊý×é±äÁ¿£¬°üÀ¨ÁËÎĵµ¶ÔÏóÖÐËùÓ ......
function get_cookie(Name)
{
var search = Name + "="
var returnvalue = "";
if (document.cookie.length > 0)
{
var offset = document.cookie.indexOf(search)
if (offset != -1)
{
&nbs ......