使用Firebug的console导致IE提示对象未定义错误

1.安装Firebug Lite
具体安装方法查看Firebug Lite的主页
http://getfirebug.com/lite.html

2.添加一段javascript到页面中
if  ( ! window.console  ||   ! console.firebug)

{
    var names 
=  [ " log " " debug " " info " " warn " " error " " assert " " dir " " dirxml " ,
    
" group " " groupEnd " " time " " timeEnd " " count " " trace " " profile " " profileEnd " ];

    window.console 
=  {};
    
for  (var i  =   0 ; i  <  names.length;  ++ i)
        window.console[names[i]] 
=  function() {}
}

或直接下载firebugx.js
http://getfirebug.com/firebug/firebugx.js

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