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

Javascript²Ù×÷SelectºÍOption

×¢Òâ:OptionÖеÄOÊÇÒª´óдµÄ£¬²»È»Óï·¨±¨´í
1.¶¯Ì¬´´½¨select
      function createSelect(){
var mySelect = document.createElement("select");
          mySelect.id = "mySelect"; 
          document.body.appendChild(mySelect);
      }
2.Ìí¼ÓÑ¡Ïîoption
     function addOption(){
          //¸ù¾Ýid²éÕÒ¶ÔÏó£¬
           var obj=document.getElementById('mySelect');
           //Ìí¼ÓÒ»¸öÑ¡Ïî
obj.add(new Option("Îı¾","Öµ"));    //Õâ¸öÖ»ÄÜÔÚIEÖÐÓÐЧ
         obj.options.add(new Option("text","value")); //Õâ¸ö¼æÈÝIEÓëfirefox
     }
3.ɾ³ýËùÓÐÑ¡Ïîoption
     function removeAll(){
           var obj=document.getElementById('mySelect');
obj.options.length=0;
     }
4.ɾ³ýÒ»¸öÑ¡Ïîoption
function removeOne(){
           var obj=document.getElementById('mySelect');
           //index,Ҫɾ³ýÑ¡ÏîµÄÐòºÅ£¬ÕâÀïÈ¡µ±Ç°Ñ¡ÖÐÑ¡ÏîµÄÐòºÅ
var index=obj.selectedIndex;
obj.options.remove(index);
     }
5.»ñµÃÑ¡ÏîoptionµÄÖµ
var obj=document.getElementById('mySelect');
var index=obj.selectedIndex; //ÐòºÅ£¬È¡µ±Ç°Ñ¡ÖÐÑ¡ÏîµÄÐòºÅ
var val = obj.options[index].value;
6.»ñµÃÑ¡ÏîoptionµÄÎı¾
var obj=document.getElementById('mySelect');
var index=obj.selectedIndex; //ÐòºÅ£¬È¡µ±Ç°Ñ¡ÖÐÑ¡ÏîµÄÐòºÅ
var val = obj.options[index].text;
7.ÐÞ¸ÄÑ¡Ïîoption
var obj=document.getElementById('mySelect');
var index=obj.selectedIndex; //ÐòºÅ£¬È¡µ±Ç°Ñ¡ÖÐÑ¡ÏîµÄÐòºÅ
var val = obj.op


Ïà¹ØÎĵµ£º

javascript µ÷Óà php º¯Êý Ä£Äâ

<mce:script language=javascript><!--
var a=0;
// --></mce:script>
<?php
function func1()
{
$t="a=a+1;";
return $t."alert(a)";
}
?>
<?php
echo "<input type=button value='Sure' onclick=\"".func1()."\">";
?> ......

Ò»¸ö¸ü¸ßЧµÄJavaScript°ætrimº¯Êý

http://code.google.com/p/update-javascript-trim/
³£¼ûµÄд·¨Îª£º
function trim(s){
return s.replace(/^\s+|\s+$/g, '');
}

ÓÅ»¯ºótrimº¯ÊýµÄ´úÂëÈçÏ£º
function trim(str) {
str = str.replace(/^\s+/g, '');
for(var i = str.length - 1; i >= 0; i--){
if(!/^\s$/.test(str.substr(i,1) ......

Javascriptѧϰ±Ê¼Ç

1.Jscript ²»ÈÏΪÓï¾ä¿éÊÇÒ»¸öеķ¶Î§£¨×÷ÓÃÓò£©Ö»Óк¯Êý´´½¨Ðµķ¶Î§¡£
2.JScriptÓï¾äÖÐʹÓõȺţ¨=£©¸ø±äÁ¿¸³Öµ£ºµÈºÅÊǸ³ÖµÔËËã·û¡£
 “=”ÔËËã·û×ó±ßµÄ²Ù×÷Ïî×ÜÊÇÒ»¸öLvalue£¬¼´¿ÉÒÔÊÇ£º
 ¶ÔÏó£¬
 Êý×éÔªËØ£¬
 ¶ÔÏóÊôÐÔ¡£
 “=”ÔËËã·ûÓұߵIJÙ×÷Ïî×ÜÊÇÒ»¸öRvalue ......

c#ºÍjavascript½»»¥

ÔÚasp.net¿ª·¢ÖУ¬¾­³£»áÓõ½ºǫ́ºÍǰ̨µÄ½»»¥£¬¾Í´Ë×ܽáÁËÒ»µãc#ºÍjavascriptÏ໥²Ù×÷µÄ·½·¨
1.ÔÚºǫ́c#´úÂëÖе÷ÓÃjacascriptµÄ·½·¨
javascript´úÂ룺
<script type="text/javascript" language="javascript">
function test()
{
alert("oec2003");
return false;
}
</s ......

40 ¸öÇáÁ¿¼¶ JavaScript ¿â

Á÷ÐÐµÄ JavaScript ¿â²»Ê¤Ã¶¾Ù£¬jQuery, MooTools, Prototype, Dojo, YUI¡£ÕâЩ JavaScript ¿â¹¦Äܷḻ£¬¼ÓÉÏËüÃǵIJå¼þ£¬¼¸ºõÄÜʤÈÎÈκι¤×÷£¬È»¶øÕâÊÇÓдú¼ÛµÄ£¬ÕâЩ¿âÍùÍùµ¼ÖÂÄãµÄÍøÒ³³ß´çÓ·Öס£ÔÚijЩ³¡ºÏ£¬Èç¹ûÄãÖ»ÏëÍê³ÉÌض¨µÄ¹¤×÷£¬¿ÉÒÔʹÓà һЩ¹¦ÄܸüרһµÄÇáÁ¿¿â£¬±¾ÎĽéÉÜÁË40¸ö·Ç³£³öÉ«µÄÇáÁ¿¼¶ JavaScript ¿â¡ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ