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

JavaScript²Ù×÷XMLÎĵµ

×î½üÔÚѧXML£¬¿´ÊéµÄ¹ý³ÌÖÐ˳±ã×öµã±Ê¼Ç£¬¹©ÒÔºó²Î¿¼
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<mce:script language=javascript><!--
var oNodeMap,str,oList,item;
//´´½¨DOMDocument¶ÔÏó
var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
//²»ÔÊÐíÒì²½¼ÓÔØ£¬½Å±¾»áµÈ´ýÎĵµÈ«²¿±»ÏÂÔØºó²ÅÖ´ÐдúÂë
xmlDoc.async = false;
//°ÑXMLÎĵµÔØÈëDOMDocument¶ÔÏó
xmlDoc.load("MyXml1.xml");
if(xmlDoc.parseError!= 0)//ÅжÏ×°Èë¹ý³ÌÖÐÊÇ·ñ²úÉú´íÎó
{
document.writeln(xmlDoc.parseError.reason+"<br>");
}
else
{
//»ñµÃ¸ùÔªËØ½ÚµãµÄÊôÐÔ£¬²¢½«ÊôÐԵĸöÊýÊä³ö
oNodeMap = xmlDoc.documentElement.attributes;
document.writeln("¸ùÔªËØ½ÚµãµÄÊôÐÔ¸öÊýΪ£º"+oNodeMap.length+"<br>");
//»ñµÃ¸ùÔªËØ½ÚµãµÄÃû×Ö£¬²¢Êä³öµ½Ò³ÃæÉÏ
str = xmlDoc.documentElement.nodeName;
document.writeln("¸ùÔªËØ½ÚµãµÄÃû×Ö£º"+str+"<br>");
//»ñµÃ¸ùÔªËØ½ÚµãµÄ×ӽڵ㼯ºÏ
oList = xmlDoc.documentElement.childNodes;
//Êä³ö¸ö×Ó½ÚµãµÄÄÚÈÝ
document.writeln("¸÷×Ó½ÚµãµÄ¸öÊýΪ£º"+oList.length+"<br/>");
document.writeln("¸÷×Ó½ÚµãµÄÄÚÈÝΪ£º<br/>");
for(var i=0;i<oList.length;++i)
{
document.writeln(oList[i].xml+"<br/>");
}
}
var node = xmlDoc.documentElement.childNodes[0];
document.writeln("½ÚµãÀàÐÍ£º"+node.nodeType+"<br>");
document.writeln("¸ùÔªËØ½ÚµãÃû³Æ£º"+node.ownerDocument.documentElement.tagName+"<br>");
document.writeln("µ±Ç°½ÚµãµÄÊôÐÔ"+node.attributes[0].value+"<br>");
document.writeln("µ±Ç°½Úµã¼°Æä×Ó½ÚµãËù°üº¬µÄÎı¾£º" +node.text+"<br>");
// --></mce:script>
</HEAD>
<BODY>
</BODY>
</HTML>
MyXml1.xmlµÄ´úÂëÈçÏ£º
<?xml version="1.0" encoding="gb2312"?>
<person id="1" idd="2">
<person pid="E01">
<name>ÕÅÈý</name>
<address>½­ËÕÊ¡ÐìÖÝÊÐ</address>
<tel>1456321</tel>
<email>zhangsan@16


Ïà¹ØÎĵµ£º

javascriptЧÂʾ­Ñé̸(Ò»)

±¾ÎÄÖ÷ÒªÊdzöÓÚÓÐÅóÓÑʹÓÃÎÒÔ­À´Ð´µÄautocompleteµÄJS¿Ø¼þ¡£µ±Êý¾ÝÁ¿´óµÄʱºò£¬»á³öÏÖЧÂʼ«ÆäÂýµÄÇé¿ö£¬ÎÒÔÚÕâ¶Îʱ¼ä×ö³öµÄһЩ²âÊÔÒ²¼°Ò»Ð©¾­Ñ飬Óë´ó¼Ò·ÖÏí£¬Èç¹ûÓдíµÄµØ·½£¬»¹ÇëÖ¸³ö¡£
¾­¹ý²âÊÔ£¬ÎÒÃǻᷢÏÖÈçϵÄÇé¿ö»òÕß˵µÄ½áÂÛ£¬Èç¹ûÄúµÄ²âÊÔ½á¹ûÓëÎҵIJ»·û£¬Çë˵Ã÷Ô­Òò£¬ÒÔ±ãÏ໥ѧϰ¡£
1£©µ±Ò»¸ö½Ï´óµÄHTML×Ö· ......

ͨ¹ýjavascript»ñµÃurl²ÎÊý

Ò³ÃæÌá½»Êý¾ÝÒ»°ãÓÐÁ½ÖÖ·½·¨£ºget,post¡£post¾ÍÊÇËùνµÄformÌá½»£¬Ê¹ÓÃÊÓͼ£»getÊÇͨ¹ýurlÌá½»¡£
Get·½·¨Ò»°ãÓúǫ́´úÂ루Èçasp,asp.net£©»ñµÃ²ÎÊý£¬´úÂëºÜ¼òµ¥£ºRequest.QueryString["id"];¼´¿É»ñÈ¡¡£ 
ÓÐЩʱºòÐèÒªÖ±½ÓÔÚǰ̨»ñÈ¡url²ÎÊý£¬ÒªÓõ½javascript£¬jsûÓÐÖ±½Ó»ñÈ¡url²ÎÊýµÄ·½·¨£¬ÄÇô£¬ÎÒÃÇÈçºÎͨ¹ýjs ......

[·­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 ......

JavaScriptµÄä¯ÀÀÆ÷¶ÔÏóÏê½â

JavaScriptµÄä¯ÀÀÆ÷¶ÔÏóÏê½â  
Ò»¡¢ä¯ÀÀÆ÷¶ÔÏó²ã´Î¼°ÆäÖ÷Òª×÷ÓÃ
¶þ¡¢Îĵµ¶ÔÏó¹¦Äܼ°Æä×÷Óà
Èý¡¢·¶Àý 
ʹÓÃä¯ÀÀÆ÷µÄÄÚ²¿¶ÔÏóϵͳ, ¿ÉʵÏÖÓëHTMLÎĵµ½øÐн»»¥¡£ËüµÄ×÷ÓÃÊǽ«Ïà¹ØÔªËØ×éÖ¯°ü×°ÆðÀ´£¬Ìṩ¸ø³ÌÐòÉè¼ÆÈËԱʹÓ㬴Ӷø¼õÇá±à³ÌÈ˵ÄÀͶ¯£¬Ìá¸ßÉè¼ÆWebÒ³ÃæµÄÄÜÁ¦¡£
Ò»¡¢ä¯ÀÀÆ÷¶ÔÏó²ã´Î¼°ÆäÖ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ