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(13223342.9269).toFixed(2)=13223342.93;
(13223342.9269).toLocaleString()=13,223,342.93;
formatNum(13223342.9269)=13,223,342.9269;
delFormat(13,223,342.9269)=13223342.9269;
//È¥µô¶ººÅ
function delFormat(str){
return str.replace(/,/g,"");
}
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function formatNum(num)
{
if(!/^(\+|-)?(\d+)(\.\d+)?$/.test(num)){alert("wrong!"); return num;}
var a = RegExp.$1, b = RegExp.$2, c = RegExp.$3;
var re = new RegExp().compile("(\\d)(\\d{3})(,|$)");
while(re.test(b)) b = b.replace(re, "$1,$2$3");
return a +""+ b +""+ c;
}
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}
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