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          var now = new Date();
    1.2ÌØ¶¨ÈÕÆÚ
var someDate = new Date(yyyy,mm,dd);
    ×¢£ºÔÂÓ¦¸ÃÊÇ´Ó£°¿ªÊ¼¼ÆÊýµÄ.
   2. ÈÕÆÚº¯ÊýµÄʹÓÿÉÒÔ²ÎÕÕÏÂÃæµÄÁ´½Ó. http://www.w3school.com.cn/js/jsref_obj_date.asp
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      var someDate = new Date(yyyy, mm, 0); //ÕâÑùÊǵÚmm¸öÔµÄ×îºóÒ»Ìì
      var days = someDate.getDate();


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var s = document.getElementById("selectYear");
2.¿ÉÒÔÏÈÒÆ³ýÉÏ´ÎÌí¼ÓµÄoption£¨ÕâÀïҪעÒ⣬ÿ´Îɾ³ýµÄ¶¼ÊǵÚÒ»¸öÔªËØ£¬ÒòΪɾһ¸öÉÙÒ»¸ö£©£º
var l = s.options.length;
for(var i=0;i<l;i++){
    s.options.remove(0);  
}
3.Ìí¼ÓÐÂÔªËØ£¨iÊÇ×Ô¼º¶¨ÒåµÄ£¬¸ù¾Ý× ......

JavaScriptʹ¹â±ê¶¨Î»µ½Îı¾µÄ×îºó

function  setEnd(field)   {  
      if (field.createTextRange) {  
          var r = field.createTextRange();  
          r.moveS ......

¹òÇóJavaScript½âÊÍ

<html>
<head></head>
<script>
function ShowMenu(bMenu) {
document.all.idFinder.style.display = (bMenu) ? "none" : "block"
document.all.idMenu.style.display = (bMenu) ? "block" : "none"
idML.className = (bMenu) ? "cOn" : "cOff"
idRL.className = (bMenu) ? "cOff" : "cOn" ......

Javascript»ñµÃ×ÓÒ³Ãæ±äÁ¿µÄÖµ

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page.htmlÒ³Ãæ£º
<html>
<head>
<title>This is a test</title>
</head>
<script type="text/javascript">
var count;
</script>
<body>
<iframe id="child" src="childPage.html" src="childPage"></iframe>
</body>
</html> ......

Javascript String¶ÔÏó

String
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