<script language=Javascript> //自己动手为string添加Trim
function String.prototype.Trim() {return this.replace(/(^\s*)|(\s*$)/g,"");}
function String.prototype.Ltrim(){return this.replace(/(^\s*)/g, "");}
function String.prototype.Rtrim(){return this.replace(/(\s*$)/g, "");}
var str = " meizz ";
alert(str.Trim());
alert(str.Ltrim());
alert(str.Rtrim());
</script>Jscript 是微软版的 javascript
function String.prototype.Trim() {return this.replace(/(^\s*)|(\s*$)/g,"");}
function String.prototype.Ltrim(){return this.replace(/(^\s*)/g, "");}
function String.prototype.Rtrim(){return this.replace(/(\s*$)/g, "");}
var str = " meizz ";
alert(str.Trim());
alert(str.Ltrim());
alert(str.Rtrim());
</script>Jscript 是微软版的 javascript
string.Ltrim()//左
string.Rtrim()//右
一个是NC的,一个是MS的
function String.prototype.Trim()
{
return this.replace(/^\s*/g,"").replace(/\s*$/g,"");
}
<SCRIPT LANGUAGE=javascript>
<!--
function myTrim(val)
{
val1=val
execScript("val1=Trim(val1)","vbscript")
return val1
}t=myTrim(" sdfg ")
alert(t.length)//-->
</SCRIPT>