javascript 关闭窗口 (兼容ie,谷歌,firefox)

<script   language="javascript"   type="text/javascript">  
   
  function   closeWindow()   {  
   
  window.open('','_parent','');  
   
  window.close();  
   
  }  
</script>

<span onclick="closeWindow();">关闭该窗口</span>