Ever wanted to extract parameter data from a querystring using JavaScript?  Well here is a little script to do just that, using only JavaScript.

//QueryString extractor
function getParameterByName(name) {
  name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
  var regex = new RegExp("[\\?&]" + name + "=([^&#]*)"),
  results = regex.exec(location.search);< br />   return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}
//Usage
var value1 = getParameterByName("para1");

Categories


Most Visited