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Get URL variables

/ Published in: JavaScript
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  1. function getQueryVariable(variable)
  2. {
  3.        var query = window.location.search.substring(1);
  4.        var vars = query.split("&");
  5.        for (var i=0;i<vars.length;i++) {
  6.                var pair = vars[i].split("=");
  7.                if(pair[0] == variable){return pair[1];}
  8.        }
  9.        return(false);
  10. }
  11.  
  12.  
  13. // Usage:
  14. Sample URL: http://www.example.com/index.php?id=1&image=awesome.jpg
  15.  
  16. getQueryVariable('id') – would return "1".
  17. Calling getQueryVariable('image') – would return "awesome.jpg".

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