ref:http://www.ijavascript.cn/shouce/javascript-function-395.html
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转载于:https://www.cnblogs.com/SpringSmallGrass/archive/2013/05/06/3062362.html
ref:http://www.ijavascript.cn/shouce/javascript-function-395.html
转载于:https://www.cnblogs.com/SpringSmallGrass/archive/2013/05/06/3062362.html