ÕÅТÏêjavascript½²×ù±Ê¼ÇÒ»
Ò»£¬½Å±¾³ÌÐòÓëjavascript
ǶÌ×ÔÚHTMLÖеÄÓïÑÔ³ÆÎª½Å±¾ÓïÑÔ£¬ä¯ÀÀÆ÷±ØÐë¾ßÓнű¾ÒýÇæ¶ÔǶÈëHTMLÖеĽű¾³ÌÐò½øÐнâÊÍ¡£
eg:
<HTML>
<script language="JavaScript">
//VBScript,Jscript,ECMAScript
<!--
alert(new Date());//alert·½·¨Ö»ÓÐÖ±µ½Óû§µ¥»÷µ¯³ö´°¿ÚµÄ“È·¶¨”²Å·µ»Ø
// -->
</script>
</HTML>
¿ÉÒÔͨ¹ýscript±êÇ©µÄlanguageÊôÐÔÖ¸¶¨ËùÓõĽű¾ÓïÑÔ£¬VBScriptÊÇ΢ÈíµÄ½Å±¾ÓïÑÔ£¬Ò²ÊÇASPµÄ·þÎñÆ÷¶ËµÄ½Å±¾ÓïÑÔ¡£
<script language="VBScript">
<!--
//VBScriptµÄÓï¾ä²»Ó㻷ָÇÒNetScaptµÈä¯ÀÀÆ÷²»Ö§³ÖVBScript½Å±¾
alert(Date())
//-->
</script>
¶þ£¬JavaScriptµÄ¼ò½é
ǰÉí½Ð×öLiveScript,ÊÇÒ»ÖÖ»ùÓÚ¶ÔÏó(object-based)ºÍʼþÇý¶¯(Event Driven)²¢¾ßÓа²È«ÐÔÄܵĽű¾ÓïÑÔ£¬ÊÇNetScapte¹«Ë¾µÄ²úÆ·¡£
1£¬javaScriptÓëJava
ÊÇÁ½¸ö¹«Ë¾¿ª·¢µÄÁ½¸ö²»Í¬µÄ²úÆ·£¬×÷ÓÃÓëÓÃ;²»Ò»Ñù£¬JavaScript²¢²»ÊÇJavaµÄ×Ó¼¯£¬JavaScriptÊÇ»ùÓÚ¶ÔÏóµÄ£¬¶ø²»ÊÇÃæÏò¶ÔÏóµÄ½Å±¾ÓïÑÔ¡£
2£¬JavaScript,JScript,ECMAScript
ÓÉÓڵò»µ½netScapter¹«Ë¾¼¼ÊõµÄÐí¿É£¬Î¢Èí¿ª·¢³öJScript£¬ECMAÁªºÏnetScaptÓëMicrosoft½«½Å±¾ÓïÑÔ½øÐбê×¼»¯£¬³ÆÎªECMAScript¡£
ä¯ÀÀÆ÷±ØÐë¾ßÓÐÏàÓ¦µÄ½Å±¾ÓïÑԵĽű¾ÒýÇæ.
Èý£¬½Å±¾´úÂëµÄ°Ú·ÅλÖÃ
1£¬·ÅÖÃÔÚ<script></script>±êÇ©¶ÔÖ®¼ä£¬Èç
<script type="text/javascript">
<!--
var x=3;
// -->
</script>
<p>ÕâÊÇÒ»¸öHTML¶ÎÂä</p>
<script type="text/javascript">
<!--
alert(x);
// -->
</script> =><p>ÕâÊÇÒ»¸öHTML¶ÎÂä</p>
<script type="text/javascript">
<!--
var x=3;
alert(x);
// -->
</script>
ÓÉÓھɰ汾µÄä¯ÀÀÆ÷²»Ö§³Öjavascript,·ÀÖ¹°Ñjavascript´úÂë¸úHTMLdiamondÏÔʾÔÚÆÁÄ»ÉÏ£¬¿ÉÒÔ²ÉÓÃHTML×¢ÊÍ£º
<HTML>
<script language="
Ïà¹ØÎĵµ£º
Òý×Ó
±à³ÌÊÀ½çÀïÖ»´æÔÚÁ½ÖÖ»ù±¾ÔªËØ£¬Ò»¸öÊÇÊý¾Ý£¬Ò»¸öÊÇ´úÂë¡£±à³ÌÊÀ½ç¾ÍÊÇÔÚÊý¾ÝºÍ´úÂëǧ˿ÍòÂÆµÄ¾À²øÖгÊÏÖ³öÎÞÏÞµÄÉú»úºÍ»îÁ¦¡£
Êý¾ÝÌìÉú¾ÍÊÇÎľ²µÄ£¬×ÜÏë±£³Ö×Ô¼º¹ÌÓеı¾É«£»¶ø´úÂëÈ´ÌìÉú»îÆÃ£¬×ÜÏë¸Ä±äÕâ¸öÊÀ½ç¡£
Äã¿´£¬Êý¾Ý´úÂë¼äµÄ¹ØÏµÓëÎïÖÊÄÜÁ¿¼äµÄ¹Ø ......
ÔÚÉÏ´«²Ù×÷ÖУ¬¾³£»áÓöµ½ÒªÇóÖ¸¶¨ÉÏ´«ÎļþµÄ¸ñʽ£¬ÏÂÃæµÄʵÀýÊÇÔÚ¿Í»§¶Ëͨ¹ýJavaScriptÑéÖ¤ÉÏ´«Í¼Æ¬¸ñʽΪjpg/gif/png
<html>
<head>
<mce:script language="JavaScript" type="text/JavaScript"><!--
var img=null;
function checkPic(picForm){
var location=picForm.pic.v ......
¡¶Îò͸JavaScript¡·Ñ§Ï°±Ê¼Ç
ÔÎĵØÖ·£ºhttp://www.cnblogs.com/leadzen/archive/2008/02/25/1073404.html
ÕâÊÇÒ»±¾ºÜÐÎÏóÉú¶¯µÄÊ飬ʹÎÒÃÇ¿ÉÒÔ¸üÉîµØÁ˽âÁËJavaScript¡£
ÒýÑÔ
±à³ÌÊÀ½çÀïÖ»´æÔÚÁ½ÖÖ»ù±¾ÔªËØ£¬Ò»¸öÊÇÊý¾Ý£¬Ò»¸öÊÇ´úÂë¡£±à³ÌÊÀ½ç¾ÍÊÇÔÚÊý¾ÝºÍ´úÂëǧ˿ÍòÂÆµ ......
1. document.write( " "); Êä³öÓï¾ä
2.JSÖеÄ×¢ÊÍΪ//
3.´«Í³µÄHTMLÎĵµË³ÐòÊÇ:document- >html- >(head,body)
4.Ò»¸öä¯ÀÀÆ÷´°¿ÚÖеÄDOM˳ÐòÊÇ:window- >(navigator,screen,history,location,document)
5.µÃµ½±íµ¥ÖÐÔªËØµÄÃû³ÆºÍÖµ:document.getElementById( "±íµ¥ ......
String.replace(regexp, replaceText); ÕâÊÇStringÀàÖеÄreplace·½·¨ÔÐÍ
replace·½·¨½ÓÊÜÁ½¸ö²ÎÊý:
regexp: ÕýÔò±í´ïʽ, ÓÃÀ´ÔÚ×Ö·û´®ÖÐËÑË÷µÄ¹æÔò.
replaceText: ÓÃÀ´Ìæ»»×Ö·û´®ÖÐÆ¥ÅäÕýÔò±í´ïʽµÄ×Ó´®µÄ×Ö·û´®
ÔÚJavaScriptÖÐ, Ö§³ÖÕýÔòÌæ»», ÕýÔòÌæ»»µÄ¹æÔòÈçÏÂ:
$$: ÔÒâ´òÓ¡Ò»¸ö$·ûºÅ
$&: Óë¹æÔòÆ¥ÅäµÄÕû¸ö ......