[JavaScript]自己动手为string添加Trim
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<script language=Javascript>
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String.prototype.Trim=function(){return this.replace(/(^\s*)|(\s*$)/g,"");}
3 String.prototype.LTrim = function(){return this.replace(/(^\s*)/g, "");}
4 String.prototype.RTrim = function(){return this.replace(/(\s*$)/g, "");}
5</script>
<script language=Javascript> 2
String.prototype.Trim=function(){return this.replace(/(^\s*)|(\s*$)/g,"");} 
String.prototype.Trim
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String.prototype.LTrim = function(){return this.replace(/(^\s*)/g, "");} 4
String.prototype.RTrim = function(){return this.replace(/(\s*$)/g, "");} 5
</script>
