JS去空格

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>去空格</TITLE>
<SCRIPT LANGUAGE="JavaScript">
<!--
	//去两边空格
	String.prototype.trim = function(){
		return this.replace(/(^\s*)|(\s*$)/g, "");
	};
	//去所有空格
	String.prototype.trimAll = function(){
		return this.replace(/(^\s*)|(\s*)|(\s*$)/g, "");
	};
	function PeripheralTrim(){
		var tmp = document.getElementById("inputid").value.trim();
		document.getElementById("inputid1").value = tmp;
	}
	function AllTrim(){
		var tmp = document.getElementById("inputid").value.trimAll();
		document.getElementById("inputid1").value = tmp;
	}
//-->
</SCRIPT>
</HEAD>

<BODY>
<input type="button" onclick="PeripheralTrim()" value="去两边空格"/><br>
<input type="button" onclick="AllTrim()" value="去所有空格"/><br>
<input type="text" id="inputid"/><br>
<input type="text" id="inputid1"/>
</BODY>
</HTML> 


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