js_trim函数

function JS_Trim(txt) //篒才﹃ず Added By Dicky 2005/10/14 と 08:27:05
{
 var newtxt = "";
 for(bbbbb=0;bbbbb<txt.length;bbbbb++)
 {
  s = txt.substring(bbbbb,bbbbb+1);
  if(s != " ")
  {
   newtxt = newtxt + s;
  }
 }
 return newtxt;
}
ò大雨點ò 15:05:38
去所有空格啊，包括中间的啊



/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////




<SCRIPT LANGUAGE="JavaScript">
<!--
//出处:网上搜集
//made by yaosansi 2005-12-02
//For more visit http://www.yaosansi.com
// Trim() , Ltrim() , RTrim()

String.prototype.Trim = function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}

String.prototype.LTrim = function()
{
return this.replace(/(^\s*)/g, "");
}

String.prototype.RTrim = function()
{
return this.replace(/(\s*$)/g, "");
}

//-->
</SCRIPT>

<input type="text" value="   前后都是空格    " id="space">
<input type="button" value="去前后空格" onclick="javascript:document.getElementById('space').value=document.getElementById('space').value.Trim();document.getElementById('space').select();">
<input type="button" value="去前空格" onclick="javascript:document.getElementById('space').value=document.getElementById('space').value.LTrim();document.getElementById('space').select();">
<input type="button" value="去后空格" onclick="javascript:document.getElementById('space').value=document.getElementById('space').value.RTrim();document.getElementById('space').select();">
<input type="button" value="还原" onclick="javascript:document.getElementById('space').value='     前后都是空格    ';">
<a href="http://www.yaoasnsi.com" target="_blank">访问yaosansi.com</a>



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