how to get url value after question mark in javascript

Question

How can I get the url value after a question mark in javascript?

I want the following behaviour:

if value is yes then 10+2 
else if value is no then          


        

Answer 1

use javsacript and type:

location.search

Answer 2

use this code:

var a = location.href; 
var b = a.substring(a.indexOf("?")+1);