javascript dragÀà
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>dragÀà</title>
</head>
<body>
<mce:style><!--
#pop{width:400px;background-color:#CCCCCC; border:1px solid #000;}
#popt{border:1px solid #000; border-left:none; border-right:none; cursor:move}
#btnclost{cursor:hand;float:right}
#popm{height:300px;}
#ddd{float:left}
--></mce:style><style mce_bogus="1">#pop{width:400px;background-color:#CCCCCC; border:1px solid #000;}
#popt{border:1px solid #000; border-left:none; border-right:none; cursor:move}
#btnclost{cursor:hand;float:right}
#popm{height:300px;}
#ddd{float:left}</style>
<div id="ddd" style="width:200px;height:200px;border:1px solid;background-color:#CCCCCC;cursor:move">
222222222222222222222222
</div>
<div id="pop" >
<span id="btnclost">X</span><div id="popt">±êÌâ±êÌâ±êÌâ±êÌâ±êÌâ±êÌâ</div>
<div id="popm">
ÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝÄÚÈÝ
</div>
</div>
function $(o){return document.getElementById(o)}
//$('btnclost').onclick=function(){$('pop').style.display='none';}
var drag=function(obj,handle){
this.no=$(obj).cloneNode(true);
if($(obj)){
this.o=$(obj);
this.hd=(!$(handle)?this.o:$(handle));
this.hd.onmousedown=(function(e,no){
return function(e){
if(!e){var e=window.event}
x=$(obj).offsetLeft;
y=$(obj).offsetTop;
ow=e.clientX-x;
oh=e.clientY-y;
with(no.style){
position='absolute';
left=x+'px';
top=y+5+'px';
filter='Alpha(Opacity="30")';
}
document.body.appendChild(no);
document.onselectstart=function(){return false}
}
}
)(window.event,this.no)
this.no.onmouseup=function(e){
if(!e){var
Ïà¹ØÎĵµ£º
scrollHeight: »ñÈ¡¶ÔÏóµÄ¹ö¶¯¸ß¶È¡£
scrollLeft:ÉèÖûò»ñȡλÓÚ¶ÔÏó×ó±ß½çºÍ´°¿ÚÖÐĿǰ¿É¼ûÄÚÈݵÄ×î×ó¶ËÖ®¼äµÄ¾àÀë
scrollTop:ÉèÖûò»ñȡλÓÚ¶ÔÏó×î¶¥¶ËºÍ´°¿ÚÖпɼûÄÚÈݵÄ×î¶¥¶ËÖ®¼äµÄ¾àÀë
scrollWidth:»ñÈ¡¶ÔÏóµÄ¹ö¶¯¿í¶È
offsetHeight:»ñÈ¡¶ÔÏóÏà¶ÔÓÚ°æÃæ»òÓɸ¸×ø±ê offsetParent ÊôÐÔÖ¸¶¨µÄ¸¸×ø±êµÄ¸ß¶È
offsetL ......
<mce:script type="text/javascript" src="../jquery-1.2.3-intellisense.js" mce_src="jquery-1.2.3-intellisense.js"></mce:script>
<mce:script type="text/javascript"><!--
$(function() {
dayuan(200, 500, 200, 270, -90);
set ......
Ò»°ã£ºobject.constructor == String ;(String »òÕßNumber µÈµÈ )
ÌØÊ⣺ÅжÏÒ»¸öÊý×éArray
·½·¨1£º
Object
.prototype.toString.apply(value) ===
'[object Array]'
·½·¨2£º
ÓÃjQuery£¬ÆäʵºÍ·½·¨1ͬ¡£
$.isArray(object);
......
ÔÚjavascriptÖжÔÏóͨ³£°üÀ¨Á½ÖÖÀàÐÍ£ºÄÚÖöÔÏóºÍä¯ÀÀÆ÷¶ÔÏ󣬴ËÍ⣬Óû§»¹¿ÉÒÔ×Ô¶¨Òå¶ÔÏó¡£
¶ÔÏó°üº¬Á½¸öÒªËØ£º1.ÓÃÀ´ÃèÊö¶ÔÏóÌØÐÔµÄÒ»×éÊý¾Ý£¬Ò²¾ÍÊÇÈô¸É±äÁ¿£¬Í¨³£³ÆÎªÊôÐÔ¡£2.ÓÃÀ´²Ù×÷¶ÔÏóÌØÐÔµÄÈô¸É¶¯×÷£¬Ò²¾ÍÊÇÈô¸Éº¯Êý£¬Í¨³£³ÆÎª·½·¨¡£
ä¯ÀÀÆ÷¶ÔÏó
¶ÔÏó
º¬Òå
anchor
µ±Ç°ÎĵµÖÐÉèÖÃÁËnameÊôÐԵij¬Á´½Ó
appl ......
getAttribute()·½·¨
¡ñÒ»·ÝÎĵµ¾ÍÊÇÒ»¿Ã½ÚµãÊ÷¡£
¡ñ½Úµã·ÖΪ²»Í¬µÄÀàÐÍ£ºÔªËؽڵ㡢ÊôÐÔ½ÚµãºÍÎı¾½ÚµãµÈ¡£
¡ñgetElementById()·½·¨½«·µ»ØÒ»¸ö¶ÔÏ󣬸öÔÏó¶ÔÓ¦×ÅÎĵµÀïµÄÒ»¸öÌØ¶¨µÄÔªËØ½Úµã¡£
¡ñgetElementsByTagName()·½·¨½«·µ»ØÒ»¸ö¶ÔÏóÊý×飬ËüÃÇ·Ö±ð¶ÔÓ¦×ÅÎĵµÀïµÄÒ»¸ ......