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

ÀûÓÃjavaScript¶¯Ì¬Ôö¼Ó±í¸ñÐУ¬É¾³ý±í¸ñÐÐ

ʾÀý£º
- - - - - - - - - - - -
<body>
<input type="button" value="create" onclick="createTr();">
<table border='1' id="t" >
</table>
<input type="button" value="Ìá½»" onclick="okss();" />
</body>
<script type="text/javascript">
        function createTr()
        {
                var tab = document.getElementById("t");
                //create tr
                for(var j=0;j<3;j++) {
                        var tr = tab.insertRow();
                        //create td
                                var td1 = tr.insertCell(0);
                                td1.innerHTML = "test"+j;
                                var td2 = tr.insertCell(1);
                                td2.innerHTML = "<input type='text' id='td_"+j+"' class='input' size='5' >";
   


Ïà¹ØÎĵµ£º

Javascript±Õ°ü(Closure)

ClosureÖÐÎÄ·­ÒëΪ±Õ°ü.×ÖÃæÉÏÀ´Àí½â¾ÍÊÇ"·â±ÕµÄ°ü".(ÕâÊÇÒ»¾ä·Ï»°)
±Õ°üÊÇʲô?
ÊéÃæ½âÊÍΪ: Ëùν“±Õ°ü”£¬Ö¸µÄÊÇÒ»¸öÓµÓÐÐí¶à±äÁ¿ºÍ°ó¶¨ÁËÕâЩ±äÁ¿µÄ»·¾³µÄ±í´ïʽ£¨Í¨³£ÊÇÒ»¸öº¯Êý£©£¬Òò¶øÕâЩ±äÁ¿Ò²ÊǸñí´ïʽµÄÒ»²¿·Ö¡£
ÎÒÈÏΪ±Õ°ü¾ÍÊÇÄܹ»¶Á/дº¯ÊýÄÚ²¿µÄijЩ±äÁ¿µÄ×Óº¯Êý,²¢½«ÕâЩ±äÁ¿±£´æÔÚÄÚ´æÖÐ.
± ......

Javascript ¼Ì³Ð»úÖÆºÍ¹¹Ôì·½·¨Á´ÊµÏÖ

Ê×ÏÈÊÇÎÒÃÇÊìϤµÄextendº¯Êý 
/**
* À©Õ¹º¯Êý
* @param target À©Õ¹¶ÔÏó
* @param params À©Õ¹²ÎÊý
*/
function extend(target, params) {
if (!target) {
target = {};
}
for (var prop in params) {
target[prop] = params[prop];
}
r ......

¡¶Îò͸javascript¡·Ñ§Ï°±Ê¼Ç£ºX¡¢ÉîÈë¼Ì³Ð

ÒýÑÔ
 
      JavaScript²»Êǰ´ÃæÏò¶ÔÏóµÄ˼ÏëÉè¼ÆµÄ³ÌÐòÓïÑÔ£¬ËùÒÔËü²»¾ß±¸ÏñÏÖÓеÄÃæÏò¶ÔÏóµÄÓïÑÔÄÇÑùµÄ¹¦ÄÜ£¬µ«ÊÇÃæÏò¶ÔÏóµÄ˼ÏëÊÇÈç´ËµÄÉîÈëÈËÐÄ£¬ÒÔÖÁÓÚJavaScriptÒ²Ï÷¼âÁËÄÔ´ü“ÃæÏò¶ÔÏó”¡£¹ûÕæ£¬Í¨¹ýÒ»Ð©ÌØÊâµÄ´¦Àí£¬JavaScriptÒ²¾ßÓÐÁË»ù±¾µÄÃæÏò¶ÔÏóµÄ¹¦ÄÜ¡£
  ......

Javascript Êý×éѧϰһÔò

1. Ó¦ÓàArray.prototype.joinʵÏÖ×Ö·ûºÏ²¢
·½·¨1.
String.prototype.times = function(n) {
    return Array.prototype.join.call({length:n+1}, this);
};
"js".times(5)   // => "jsjsjsjsjs"
·½·¨2.
 var ArrayTest=new Array("HE","LL","O");
 var hello = Array.prot ......

ÓÃjavascriptɾ³ýµ±Ç°ÐУ¬Ìí¼ÓÐÐ

ɾ³ýÐÐ
<script>  
  function   del(obj)  
  {  
        obj.parentNode.parentNode.removeNode(true);  
  }    
  </script>  
  <body& ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ