jquery - Fetching query string parameters passed in a javascript file -

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i have used this tutorial create js based widget. 1 thing need pass query string parameters in js file. tried document.location.href gave url of page widget placed(which quite obvious)

code given below:

<script src="http://example.com/widget.js?id=2" type="text/javascript"></script>     <div id="widget"></div>

i need fetch id=2 can pass further.

thanks

if give script id can write:

<script src="http://example.com/widget.js?id=2" id="myscript" type="text/javascript"></script> <div id="widget"></div>  <script> var myscript = document.getelementbyid('myscript'); var src= myscript.getattribute('src'); //get id src based on parameter using regular expression </script>

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