Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

javascriptдÀ෽ʽ֮Îå

5¡¢Óà ¹¹Ô캯Êý+Ô­ÐÍ ¶¨ÒåÒ»¸öÀࣻͬһ¹¹Ô캯Êý¿ÉÒÔ¶¨Òå³ö¶à¸öÀàÐÍ



/**
* $define дÀ๤¾ßº¯ÊýÖ®¶þ
* @param {Object} constructor
* @param {Object} prototype
*/
function $define(constructor,prototype) {
var c = constructor || function(){};
var p = prototype || {};
return function() {
for(var atr in p)
arguments.callee.prototype[atr] = p[atr];
c.apply(this,arguments);
}
}

ÓëµÚËÄÖÖ·½Ê½ÀàËÆ£¬ÈÔÈ»Óù¹Ô캯Êý£¬Ô­ÐͶÔÏ󣬶¨ÒåÁ½¸öÀà¡£
//¹¹Ô캯Êý
function Person(name) {
this.name = name;
}
//Ô­ÐͶÔÏó
var proto = {
getName : function(){return this.name},
setName : function(name){this.name = name;}
}
//¶¨ÒåÁ½¸öÀà
var Man = $define(Person,proto);
var Woman = $define(Person,proto);
console.log(Man == Woman);//false,ͬһ¸ö¹¹Ô캯Êý£¨Person£©¶¨Ò岻ͬµÄÀà


Ïà¹ØÎĵµ£º

JavaScript ¶ÔÏóÓëÊý×é²Î¿¼´óÈ«

±¾ÎÄÁоÙÁ˸÷ÖÖJavaScript¶ÔÏóÓëÊý×é,ͬʱ°üÀ¨¶ÔÉÏÊöÿһ¶ÔÏó»òÊý×éËùÍê³É¹¤×÷µÄ¼ò¶ÌÃèÊö,ÒÔ¼°ÓëÆäÏà¹ØµÄÊôÐÔ·½·¨,ÒÔ¼°Ê¼þ´¦Àí³ÌÐò¡£
¡¡¡¡B.1 anchor¶ÔÏó
¡¡¡¡Ê¹ÓÃ<A NAME=>±ê¼Ç´´½¨µÄHTMLÃèµãÄܱ»Ò»¸öÁ´½Ó×÷ΪĿ±êÈç¹ûêµã°üÀ¨HREF=ÌØÐÔ,ÔòËüÒ²ÊÇÒ»¸öÁ´½Ó¶ÔÏó¡£
¡¡¡¡anchor¶ÔÏóÊÇdocument¶ÔÏóµÄÒ»¸öÊôÐÔ,Ëü±¾Éíà ......

javascriptËÙ¼ÇÊÖ²á


1.document.write("");
Ϊ

Êä³öÓï¾ä
2.JS
ÖеÄ×¢ÊÍΪ
//
3.
´«Í³µÄ
HTML
ÎĵµË³ÐòÊÇ
:document->html->(head,body)
4.
Ò»¸öä¯ÀÀÆ÷´°¿ÚÖеÄ
DOM
˳ÐòÊÇ
:window->(navigator,screen,history,location,document)
5.
µÃµ½±íµ¥ÖÐÔªËØµÄÃû³ÆºÍÖµ
:document.getElementById("
±í ......

javascript»ñÈ¡·Ö±æÂÊ,ÍøÒ³´°¿Ú´óСµÈÖµ

<html>19Â¥¿Õ¼ä,`(uqj3~9?!F
<body>
Ob*p#?L;DL0<scrīpt   LANGUAGE="Javascrīpt">
+t:{z]tbs0var s = "";19Â¥¿Õ¼äe kA3HoT1H
s += "ÍøÒ³¿É¼ûÇøÓò¿í£º" + document.body.clientWidth;19Â¥¿Õ¼äcy2if}:H/SE@
s += "<br>ÍøÒ³¿É¼ûÇøÓò¸ß£º"+ document.bo ......

JavaScript ÅжÏcheckboxȡֵÎÊÌâ

Ҫȡʲôֵ£¿
È¡value£ºgetElementById("STB_433").value;
ȡ״̬£¨ÊÇ·ñcheck£©£ºgetElementById("STB_433").checked
ȡID:getElementById("STB_433").id
...
var checkboxs=document.getElementsByTagName("input");
var i;
for(i=0;i<checkboxs.length;i++)
{
if(checkboxs[i].type=='checkbox')
{ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ