JavaScript去除空格的三种方法

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 HTML代码
<HTML><HEAD><TITLE>JavaScript Trim Function</TITLE><SCRIPT LANGUAGE=javascript><!--//****************************************************************// Description: sInputString 为输入字符串,iType为类型,分别为// 0 - 去除前后空格; 1 - 去前导空格; 2 - 去尾部空格//****************************************************************function cTrim(sInputString,iType){var sTmpStr = ' 'var i = -1if(iType == 0 || iType == 1){while(sTmpStr == ' '){++isTmpStr = sInputString.substr(i,1)}sInputString = sInputString.substring(i)}if(iType == 0 || iType == 2){sTmpStr = ' 'i = sInputString.lengthwhile(sTmpStr == ' '){--isTmpStr = sInputString.substr(i,1)}sInputString = sInputString.substring(0,i+1)}return sInputString}//--></SCRIPT></HEAD><BODY>JavaScript中的字符串去除空格函数(自定义):<br/><SCRIPT LANGUAGE=javascript><!--var sR0 = cTrim(" T e s t ",0)var sR1 = cTrim(" T e s t ",1)var sR2 = cTrim(" T e s t ",2)document.write("R0 = '" + sR0 + "'<br/>")document.write("R1 = '" + sR1 + "'<br/>")document.write("R2 = '" + sR2 + "'<br/>")//--></SCRIPT></BODY></HTML>