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1. Ó¦Óà Array.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 ......
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<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">
&nbs ......
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ʹÓÃMath.round Ôõô¶¼Ëã²»¶Ô,½á¹û¶¼ÊÇ555.55 ,Ã²ËÆÊÇÒòΪjava¼ÆË㸡µãÊýʱ»áĪÃûÆäÃîÔÚ½áβ¸úÉÏÒ»´®Êý×Ö ±ÈÈç555.55500000003
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function round(a,b){
var s=a.toString().indexOf(".");
a0=a.toString().substr(0,s+b+1);
a1=Math.round(a.toString().sub ......
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function wu()
{
var w=new object;
o.a=1;
return o;
}ÓÃÕâÖÖ·½Ê½´´½¨¶ÔÏó£ºvar u=wu();
2¡¢´´½¨¹¹Ô캯Êý£¬ÓÃnewʵÀý»¯ÀýÈ磺
function wu()
{this.a=1;}
ÓÃÕâÖÖ·½Ê½´´½¨¶ÔÏó: var u=new wu();
3¡¢ÔÐÍ·½Ê½,À ......