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By	Daraesh Mistry
First Posted	03/26/2001
Times viewed	706

Trim function in Javascript

Summary As there is no trim function available in JavaScript this code snippet simulates the Trim function.

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Additional information
<HTML> <HEAD> <META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0"> <TITLE></TITLE> <Script Language="JavaScript"> var strString=" Hello World "; var strNewString=trim(strString); if (strNewString.length==0) alert("The String is empty"); else { alert("The trimmed String is : " + strNewString); alert("The String's length is : " + strNewString.length); } function trim(pstrString) { var intLoop=0; for(intLoop=0; intLoop<pstrString.length; ) { if(pstrString.charAt(intLoop)==" ") pstrString=pstrString.substring(intLoop+1, pstrString.length); else break; } for(intLoop=pstrString.length-1; intLoop>=0; intLoop=pstrString.length-1) { if(pstrString.charAt(intLoop)==" ") pstrString=pstrString.substring(0,intLoop); else break; } return pstrString; } </Script> </HEAD> <BODY> <P> </P> </BODY> </HTML>

Further additional information
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Latest comments on this article	Admin
By Ryan on 5/21/2008 9:45:50 AM Implement via regular expressions. Have a look at http://www.whadiz.com/c/whatis.aspx/programming/javascript/javascript_trim
By faetzminator on 4/30/2008 6:18:21 AM this is a really stupid way to do this - look for regex, guy!


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