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    style="-moz-user-select:none": FireFox(JS:element.style.MozUserSelect = "none";)
    style="-khtml-user-select:none": Safari(JS:element.style.KhtmlUserSelect)
    onselectstart="return false": IE
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    if(document.selection && document.selection.clear) document.selection.clear(); // IE
    else if(window.getSelection && window.getSelection().removeAllRanges) window.getSelection().removeAllRanges(); // FireFox/Opera/Safari
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String.prototype.changeQuery = function(name,value)
{
var reg = new RegExp("(^|)"+ name +"=([^&]*)(|$)");
var tmp = name + "=" + value;
if(this.match(reg) != null)
{
return this.replace(eval(reg),tmp);
}
else
{
if(this.match("[\?]"))
{
return this + "&" + tmp;
}
else
{
return this + "?" + tmp;
}
}
}
var href = 'http://dlib.apabi.com/?Token=44AB&cult=CN&orgid=pku';

alert("old url is -- "+href);
href = href.changeQuery("cult","US");
alert("new url is -- "+href);  ......

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<script type=”text/javascript”>
Function message()
{
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}
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<input type="button" value="Click me!" onclick="alerting();"/>          //¶¨Òå°´Å¥Ãû×ÖΪClick me !µã»÷°´Å¥µ÷ÓÃalerting£¨£©
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         var str = "Hello World£¡";
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         var newArray = ["Mon","Tue","Wed"];
         ["Mon","Tue","Wed"]¾ÍÊÇÊý×é×ÖÃæÁ¿¡£
      3.º¯Êý×ÖÃæÁ¿
         var func = function (x,y){
            return x*y;
         }
         µÈºÅÓҶ˾ÍÊǺ¯Êý×ÖÃæÁ¿¡£º¯Êý×ÖÃæÁ¿Ê¹µÃº¯Êý¿ÉÒÔ×÷ΪÁíÒ»¸öº¯ÊýµÄ²ÎÊý½øÐд«µÝ¡£
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Chrome ÓµÓиü¿ìËÙµÄJavaScript£»
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<html>
<script language = "javascript">

var sum = 0;
var start = new Date;
for(var i = 0; i < 1000001; i++){
sum+=i;
}
var stop = new Date;
document.write("´Ó1µ½1000000µÄÀÛ¼Ó½á¹û£º" + sum + ";" + "<br/>" + "<br/>");
document.write("ºÄʱ" + (stop.getTime() - start.getTime()) + "ºÁÃë");
</script>
</html>
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ÏÂÃæÊÇIE 8.0£¬½á¹ûÓеã²Ò¡£¡£
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±àдÈçÏ´úÂ룺
<html>
<script language = "javascript">
var name = 10001;
name = name + 8;
document.write("×¢ÒâÁ½ÕߵIJ»Í¬£¡" + name + "666");
</script>
</html>
·Ö±ðÔÚchromeÓëIE 8.0ÖÐÔËÐнØÍ¼ÈçÏ£º
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