Query String Split

gistfile1.txt

console.log(location.search
    .substr(1)
    .split('&')
    .map(function(a) {
        return a.split('=');
    })
    .reduce(function(a,b) {
        var arrayProps = /^(.*)\[(\w*)\]$/.exec(b[0]);
        if (arrayProps) {
            (a[arrayProps[1]] || (a[arrayProps[1]] = []));
            if (arrayProps[2]) {
                a[arrayProps[1]][arrayProps[2]] = b[1];
            } else {
                a[arrayProps[1]].push(b[1]);
            }
        } else {
            a[b[0]] = b[1];
        }
        return a;
    }, {})
);