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javascript optino onclick ie ½â¾ö·½°¸

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> 
<html> 
 <head> 
  <title>select-option onclick </title> 
<script type="text/javascript" > 
 
function simOptionClick4IE(){  
    var evt=window.event  ;  
    var selectObj=evt?evt.srcElement:null;  
    // IE Only  
    if (evt && selectObj &&  evt.offsetY && evt.button!=2  
        && (evt.offsetY > selectObj.offsetHeight || evt.offsetY<0 ) ) {  
              
           // ¼Ç¼ԭÏȵÄÑ¡ÖÐÏî  
            var oldIdx = selectObj.selectedIndex;  
 
            setTimeout(function(){  
                var option=selectObj.options[selectObj.selectedIndex];  
                // ´Ëʱ¿ÉÒÔͨ¹ýÅÐ¶Ï oldIdx ÊÇ·ñµÈÓÚ selectObj.selectedIndex  
                // À´ÅжÏÓû§ÊDz»Êǵã»÷ÁËͬһ¸öÑ¡Ïî,½ø¶ø×ö²»Í¬µÄ´¦Àí.  
                showOptionValue(option)  
 
            }, 60);  
    }  
}  
 
function showOptionValue(opt,msg){  
    alert('a


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<!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=utf-8" />
<title>javascript</t ......

JavaScript ¶¯Ì¬´´½¨±í¸ñ£ºÐÂÔö¡¢É¾³ýÐк͵¥Ôª¸ñ

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javascript ¶¯Ì¬¼ÓÔØcss¡¢js

¼æÈÝIE¡¢FireFox¡¢Chrome
//¼ÓÔØjs
function loadJs(){
    if (!getObj('script_PlData')){
        var scriptObj= document.createElement("script");
        //scriptObj.id = 'script_1';
    &nb ......

javascript Öг£ÓõÄ55¸ö¾­µä¼¼ÇÉ

1. oncontextmenu="window.event.returnValue=false" ½«³¹µ×ÆÁ±ÎÊó±êÓÒ¼ü
<table border oncontextmenu=return(false)> <td>no </table> ¿ÉÓÃÓÚTable
2. <body onselectstart="return false"> È¡ÏûÑ¡È¡¡¢·ÀÖ¹¸´ÖÆ
3. onpaste="return false" ²»×¼Õ³Ìù
4. oncopy="return false;" oncut="re ......

JavaScript KeyCodeÊý×Ö¼üÅ̶ÔÓ¦

keycode    8 = BackSpace BackSpace
keycode    9 = Tab Tab
keycode   12 = Clear
keycode   13 = Enter
keycode   16 = Shift_L
keycode   17 = Control_L
keycode   18 = Alt_L
keycode   19 = Pause
keyc ......
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