js去除空格

     
     
   
   

      
      
      
    
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       前后都是空格    
      
      
    
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    space
      
      
    
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    去前后空格
      
      
    
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    javascript:document.getElementById('space').value=document.getElementById('space').value.Trim();document.getElementById('space').select();
      
      
    
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    去前空格
      
      
    
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    javascript:document.getElementById('space').value=document.getElementById('space').value.LTrim();document.getElementById('space').select();
      
      
    
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    去后空格
      
      
    
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    javascript:document.getElementById('space').value=document.getElementById('space').value.RTrim();document.getElementById('space').select();
      
      
    
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    还原
      
      
    
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    javascript:document.getElementById('space').value='     前后都是空格    ';
      
      
    
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使用的是js的正则表达式处理的两边的空格。