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Get query string via JavaScript

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Get query string value via javaScript

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  1. function getQuerystring(key, default_)
  2. {
  3.   if (default_==null) default_="";
  4.   key = key.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]");
  5.   var regex = new RegExp("[\\?&]"+key+"=([^&#]*)");
  6.   var qs = regex.exec(window.location.href);
  7.   if(qs == null)
  8.     return default_;
  9.   else
  10.     return qs[1];
  11. }

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