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Get QueryString Value by Name with Javascript
 
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Get QueryString Value by Name with Javascript

The following javascript function returns the value found for any querystring parameter name passed to it.

  2. <script type="text/javascript">
  3. function getParameterByName(name)
  4. {
  5. name = name.replace(/[\[]/, "\\\[").replace(/[\]]/, "\\\]");
  6. var regexS = "[\\?&]" + name + "=([^&#]*)";
  7. var regex = new RegExp(regexS);
  8. var results = regex.exec(window.location.href);
  9. if (results == null)
  10. {
  11. return "";
  12. }
  13. else
  14. {
  15. return decodeURIComponent(results[1].replace(/\+/g, " "));
  16. }
  17. }
  18. </script>
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