How to get specific parameter's value from the querystring in jquery/javascript?

Question

I've following query string:

url = "http://56.177.59.250/static/ajax.php?core[ajax]=true&core[call]=prj_name.contactform&width=400&core[security_token]=c7854c13380a26ff009a5cd9e6699840"

I want to get the value of variable core[call] i.e. prj_name.contactform

How should I get this value using jQuery/javascript?

Please help me.

Answer 1

Try this, which puts all variables into the vars{} object. You can then access vars.core.ajax, vars.width, etc. Also live on this fiddle:

var u = "http://localhost:8080/static/ajax.php?core[ajax]=true&core[call]=prj_name.contactform&width=400&core[security_token]=c7854c13380a26ff009a5cd9e6699840&x=1"
var re = /(\w+)\[(\w+)\]$/
var vars = {}
u.split('?')[1].split('&').forEach(function(e) {
    var p = e.split('=');
    var v = p[0].match(re);

    if (v === null) {
        vars[p[0]] = p[1];
    } else {
        if (!(v[1] in vars)) { vars[v[1]] = {}; }
        vars[v[1]][v[2]] = p[1];
    }
});
console.log(vars);