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; V& `( F8 s  f3 L就下面这段js,看到过好几次了,应该是修改UA相关的,问题是用这段JS的意义在哪呢? 
/ c( M& Z- C6 k各位牛能否解释一下? 
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. R$ X9 E$ r3 R$ m2 }/ \* Q' [- <script type="text/javascript">Object.defineProperty(window.navigator, 'userAgent', { get: function(){ return 'Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML like Gecko) Chrome/28.0.1469.0 Safari/537.36'; } });Object.defineProperty(window.navigator, 'vendor', { get: function(){ return ''; } });Object.defineProperty(window.navigator, 'platform', { get: function(){ return 'Windows'; } });</script>
 
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