Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

JavascriptÔÚÒ³Ãæ¼ÓÔØʱµÄÖ´ÐÐ˳Ðò

Ò»¡¢ÔÚHTMLÖÐǶÈëJavasriptµÄ·½·¨
Ö±½ÓÔÚJavascript´úÂë·ÅÔÚ±ê¼Ç¶Ô<script>ºÍ</script>Ö®¼ä
ÓÉ<script />±ê¼ÇµÄsrcÊôÐÔÖƶ¨ÍⲿµÄjsÎļþ
·ÅÔÚʼþ´¦Àí³ÌÐòÖУ¬±ÈÈ磺<p onclick="alert('ÎÒÊÇÓÉonclickʼþÖ´ÐеÄJavascript')">µã»÷ÎÒ</p>
×÷ΪURLµÄÖ÷Ì壬Õâ¸öURLʹÓÃÌØÊâµÄJavascript£ºÐ­Ò飬±ÈÈ磺<a href="javascript:alert('ÎÒÊÇÓÉjavascript:ЭÒéÖ´ÐеÄjavascript')">µã»÷ÎÒ</a>
ÀûÓÃjavascript±¾ÉíµÄdocument.write()·½·¨Ð´ÈëеÄjavascript´úÂë
ÀûÓÃAjaxÒì²½»ñÈ¡javascript´úÂ룬ȻºóÖ´ÐÐ
µÚ3Öֺ͵Ú4ÖÖ·½·¨Ð´ÈëµÄJavascriptÐèÒª´¥·¢²ÅÄÜÖ´ÐУ¬ËùÒÔ³ý·ÇÌرðÉèÖ㬷ñÔòÒ³Ãæ¼ÓÔØʱ²»»áÖ´ÐС£
¶þ¡¢JavascriptÔÚÒ³ÃæµÄÖ´ÐÐ˳Ðò
Ò³ÃæÉϵÄJavascript´úÂëÊÇHTMLÎĵµµÄÒ»²¿·Ö£¬ËùÒÔJavascriptÔÚÒ³Ãæ×°ÔØʱִÐеÄ˳Ðò¾ÍÊÇÆäÒýÈë±ê¼Ç<script />µÄ³öÏÖ˳Ðò£¬ <script />±ê¼ÇÀïÃæµÄ»òÕßͨ¹ýsrcÒýÈëµÄÍⲿJS£¬¶¼ÊÇ°´ÕÕÆäÓï¾ä³öÏÖµÄ˳ÐòÖ´ÐУ¬¶øÇÒÖ´Ðйý³ÌÊÇÎĵµ×°ÔصÄÒ»²¿·Ö¡£
ÿ¸ö½Å±¾¶¨ÒåµÄÈ«¾Ö±äÁ¿ºÍº¯Êý£¬¶¼¿ÉÒÔ±»ºóÃæÖ´ÐеĽű¾Ëùµ÷Óá£
±äÁ¿µÄµ÷Ó㬱ØÐëÊÇÇ°ÃæÒѾ­ÉùÃ÷£¬·ñÔò»ñÈ¡µÄ±äÁ¿ÖµÊÇundefined¡£
<script type="text/javscrpt">//<![CDATA[
alert(tmp); //Êä³ö undefined
var tmp = 1;
alert(tmp); //Êä³ö 1
//]]></script>
ͬһ¶Î½Å±¾£¬º¯Êý¶¨Òå¿ÉÒÔ³öÏÖÔÚº¯Êýµ÷ÓõĺóÃ棬µ«ÊÇÈç¹ûÊÇ·Ö±ðÔÚÁ½¶Î´úÂ룬ÇÒº¯Êýµ÷ÓÃÔÚµÚÒ»¶Î´úÂëÖУ¬Ôò»á±¨º¯Êý䶨Òå´íÎó¡£
<script type="text/javscrpt">//<![CDATA[
aa(); //ä¯ÀÀÆ÷±¨´í
//]]></script>
<script type="text/javscrpt">//<![CDATA[
aa(); //Êä³ö 1
function aa(){alert(1);}
//]]></script>
document.write()»á°ÑÊä³öдÈëµ½½Å±¾ÎĵµËùÔÚµÄλÖã¬ä¯ÀÀÆ÷½âÎöÍêdocumemt.write()ËùÔÚÎĵµÄÚÈݺ󣬼ÌÐø½âÎödocument.write()Êä³öµÄÄÚÈÝ£¬È»ºóÔÚ¼ÌÐø½âÎöHTMLÎĵµ¡£
<script type="text/javascript">//<![CDATA[
document.write('<script type="text/javascript" src="test.js"><\\/script>');
document.write('<script type="text/javascript">');
document.write('alert(2);')
document.write('alert("ÎÒÊÇ" + tmpStr);');
document.write('<\\/script>');
//]]><


Ïà¹ØÎĵµ£º

Ò»¾ä»°JavaScript±íµ¥ÑéÖ¤´úÂë

±íµ¥µÄ¿Í»§¶ËjavascriptÑéÖ¤Óи÷ÖÖ¸÷ÑùµÄд·¨£¬µÇ¼ΪformµÄonsubmitʼþ»òsubmit°´Å¤Ð´Ò»¸öº¯Êý¡£¶ÔÓÚС±íµ¥£¨Ö»ÓÐÒ»Á½¸ö±íµ¥ÓòµÄ±íµ¥£©¾Í²»±ØÔÙרÃÅÔÙÓÃjavascriptдһ¸öÑéÖ¤º¯ÊýÁË£¬Ö»ÐèÒªÔÚformµÄonsubmitʼþÀï¼ÓÉÏ£º
onsubmit=”return domainname.value==”?(alert(’ÇëÊäÈëËÑË÷ÄÚÈÝ’),false ......

¼ò½àÇ¿´óµÄJavaScript±íµ¥ÑéÖ¤³ÌÐò

<!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=gb2312" />
<title>vForm±íµ¥ÑéÖ¤³Ì ......

ÓÃCSS+JavaScriptʵÏÖÎÄ×ÖÉÁ˸Ч¹û

1. CSS
<style>
.dstyle1 {
font-size:13px;
font-weight: bold;
color: #ff6600;
}
.dstyle2 {
font-size:13px;
font-weight: bold;
color: #ffffff;
}
</style>
2. JavaScript
<script type="text/javascript">
m();
function m()
{
document.getElementById("span_new").classNa ......

JAVASCRIPT·ÃÎʸ¸´°¿ÚµÄ±äÁ¿»ò·½·¨


AA.HTM
-------------------------------------
<!--
showModalDialogº¯ÊýµÄʹÓà  (ת)     
±¾·¶Àý¿ÉÒÔʵÏÖµ¯³öÒ»¸öģ̬´°¿Ú£¬²¢ÑÝʾÁËÁ½ÖÖ½ÓÊպʹ«µÝ²ÎÊýµÄ·½·¨£¬Í¬Ê±¿ÉÒÔ½ÓÊÜģ̬´°¿Ú·µ»ØµÄ¶à¸ö±äÁ¿   
-->
<html>    &nbs ......

JavaScript FAQ£¨¶þÊ®Èý£©

¶þÊ®¡¢Bookmarklet
1¡¢Ê²Ã´ÊÇBookmarklet£¿£¨What's a Bookmarklet?£©
Q£ºÊ²Ã´ÊÇBookmarklet£¿
A£ºBookmarkletÊÇÕû¸ö¶¼±»°üº¬ÔÚ³¬Á´½ÓURLÖеÄһС¶ÎJavaScript³ÌÐò¡££¨JavaScript URL¾ÍÊÇÕâ¸öÑù×Ó£º<a href="javascript:the code goes here">¡££©¶àÊýä¯ÀÀÆ÷ÔÊÐíÓû§Ìí¼ÓÕâЩJavaScript URLÊéÇ©£¬¾ÍÏñÌí¼ÓÆäËû³¬Á´½ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ