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

[JavaScript]ʹFirefoxÖ§³ÖinnerText

innerTextÊÇieµÄ˽ÓÐÊôÐÔ£¬firefoxµÄÀàËÆÊôÐÔΪtextContent£¬Èç¹ûÔÚÍøÒ³ÖÐʹÓÃinnerTextµÄ»°£¬ÐèÒªÓÃÒ»¸öÌõ¼þÅжÏÀ´²é¿´ä¯ÀÀÆ÷Ö§³ÖÄÄÖÖÊôÐÔ¡£ÕâÀïÎÒÃÇ¿ÉÒÔΪfirefox¶¨ÒåÒ»¸öinnerTextʹµÃÔÚÕýÎÄ´úÂëÖÐÖ»ÐèÒªÓÃinnerText¶ø·ÇÒ»¸öº¯Êý£¬¿Éʹ´úÂë±äµÃ¸üÖ±¹Û¼ò½à¡£
var lBrowser = {};
lBrowser.agt = navigator.userAgent.toLowerCase();
lBrowser.isW3C = document.getElementById ? true:false;
lBrowser.isIE = ((lBrowser.agt.indexOf("msie") != -1) && (lBrowser.agt.indexOf("opera") == -1) && (lBrowser.agt.indexOf("omniweb") == -1));
lBrowser.isNS6 = lBrowser.isW3C && (navigator.appName=="Netscape");
lBrowser.isOpera = lBrowser.agt.indexOf("opera") != -1;
lBrowser.isGecko = lBrowser.agt.indexOf("gecko") != -1;
lBrowser.ieTrueBody =function (){
return (document.compatMode && document.compatMode!="BackCompat")? document.documentElement : document.body;
};
if(lBrowser.isNS6){
HTMLElement.prototype.__defineGetter__( "innerText",
function(){
return this.textContent;
}
);
HTMLElement.prototype.__defineSetter__( "innerText",
function(sText){
this.textContent=sText;
}
);
}


Ïà¹ØÎĵµ£º

[·­Òë]High Performance JavaScript(033)

Summary  ×ܽá
    When web pages or applications begin to feel slow, analyzing assets as they come over the wire and profiling scripts while they are running allows you to focus your optimization efforts where they are needed most.
    µ±ÍøÒ³»òÓ¦ÓóÌÐò±äÂýʱ£¬·ÖÎ ......

JavaScript±à³Ì±Ê¼Ç

ÐÂÖÐ……
1¡¢Êý¾ÝÀàÐÍÑéÖ¤ÎÊÌâ
  Asp.NetËäÈ»ÓÐÑéÖ¤¿Ø¼þ£¬µ«ÊÇÓÐЩ¸´ÔÓµÄÑéÖ¤»¹Êǵô«µ½·þÎñÆ÷ÉϽøÐУ¬ÓÃjsËٶȺÍÐÔÄܶ¼±È½ÏºÃ
<script>
 //¼ì²éÊÇ·ñΪÈÎÒâÊý£¨ÊµÊý£©
function isNumeric(strNumber) {
var newPar=/^(-|\+)?\d+(\.\d+)?$/
alert(newPar.test(strNumber)); }
 //¼ ......

javaScript»ñÈ¡¶ÔÏ󼯺ϣ¨ÁíÒ»ÖÖ·½·¨£©

³ýÁËÓÃgetElementByTagName   µÄÁíÒ»ÖÖ»ñÈ¡¶ÔÏ󼯺ϵķ½·¨
<!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" conte ......

ÖÊÊý Javascript ֮ǰµÄÄǸöÓеãС벡

<mce:script type="text/javascript"><!--
document.write("<table border=1px border-color=red>"); //±í¸ñ¿ªÊ¼
for (h = 1; h <= 10; h++) {
document.write("<tr>"); //¿ªÊ¼µÚÒ»ÐÐ
for (s = 1; s <= 10; s++) {
var num = (h-1)*10+s; ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ