Handling query strings using java script is quite tough. If we Google it, we find lots of solutions, however most of the solutions are complicated or not generic. Years back I got one solution, but I have no idea who came up with this idea. The piece of code is totally generic and can be reused anywhere.
var uri = window.location.href; // Takes the current page Url
var queryString = {}; // array of querystring
uri.replace(
new RegExp("([^?=&]+)(=([^&]*))?", "g"),
function($0, $1, $2, $3) { queryString[$1] = $3; }
); //regex logic
// Alerts the firstName value from the query string
alert('First Name: ' + queryString['firstName']);
// Alerts the lastName value from the query string
alert('First Name: ' + queryString['lastName']);
Now imagine that the current page URL is
'http://www.geekphilip.com/add.php?firstName=philip&lastName=tiju&email=info@geekphilip.com'
Now by using queryString[ ‘tag Name’ ] you can read the value.
ie. queryString[‘firstName’] returns philip and queryString[‘lastName’] returns tiju.
I really would like to appreciate the guy, who came up with this idea.
Anyway Hats off to you boss.