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javaScriptÑéÖ¤Ìá½»
¿´Àý:
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
<mce:script type="text/javascript"><!--
function operate(op){
//´Ë´¦¿ÉÒÔ½øÐÐÑéÖ¤...
var form = document.getElementById("myform");
if(op == 'sel'){
alert("select");
form.action="/aa";

}else{
alert("delete");
form.action="/bb";
}
form.submit();
}
// --></mce:script>
</HEAD>
<BODY>
<form name="myForm" method="post" action="">
¿ªÊ¼ÈÕÆÚ:<input name="startDate"/>
½áÊøÈÕÆÚ:<input name="endDate"/><br>
<button onclick="operate('sel')">²éѯ</button>   
<button onclick="operate('del')">ɾ³ý</button>
</form>
</BODY>
</HTML>
ÏÂÃæÕâÖÖÒ²¾­³£ÓÃ:
<form name="myForm" method="post" action="" onsubmit="return method()">
        //method return true Ìá½» false ²»Ìá½»
</form>


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JavaScript ×Ö·û´®×ª»»Êý×Ö

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1. ת»»º¯Êý
jsÌṩÁËparseInt()ºÍparseFloat()Á½¸öת»»º¯Êý¡£Ç°Õß°Ñֵת»»³ÉÕûÊý£¬ºóÕß°Ñֵת»»³É¸¡µãÊý¡£Ö»ÓжÔStringÀàÐ͵÷ÓÃÕâЩ·½·¨£¬ÕâÁ½¸öº¯Êý²ÅÄÜÕýÈ·ÔËÐУ»¶ÔÆäËûÀàÐÍ·µ» ......

ieµÄjavascriptÓï¾äʧЧÐÞ¸´·½·¨

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ieµÄjavascriptʧЧÁË£¬²»ÊÇÉèÖõÄÎÊÌâ
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·¢ÐÅÈË: haning (°Øº®Óî), ÐÅÇø: Virus
±ê  Ìâ: KAV6.0ʹjavascriptÓï¾äʧЧÐÞ¸´·½·¨ ......

javascriptÖжÔÖÐÎĽøÐбàÂë½âÂëµÄ·½Ê½

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 function upload() {
  var form = document.getElementById('topic');
  if ($('uploadfile').value == "") {
   alert("ÇëÑ¡ÔñÎļþ£¡");
   return;
  } 
  $('uploadfile').value = escape($('uploadfile').value) ......

JavaScript³£ÓÃ

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<body>
<mce:script type="text/javascript"><!--
document.write("Èç¹ûÏÔʾÁËÕâ¶ÎÎÄ×Ö£¬ÄÇôÄúµÄä¯ÀÀÆ÷Ö§³Ö JavaScript£¡")
// --></mce:script>
<noscript>No JavaScript support!</noscript&g ......

Javascript Óï·¨½²½â

1.delete ÔËËã·û
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delete expression
example:
  var person = new Object();
  person.sex = "male";
  alert(person.sex);
  delete person.sex;
  alert(person.sex);
2. ‘,' ÔËËã·û
  var a = 2; ......
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