Javascript hash параметри

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function getUrlHashParams() {
    var hashParams = {};
    var e,
        a = /\+/g,
        r = /([^&;=]+)=?([^&]*)/g,
        d = function (s) { return decodeURIComponent(s.replace(a, " ")); },
        q = window.location.hash.substring(1);
    
    while (e = r.exec(q))
        hashParams[d(e[1])] = d(e[2]);
    
    return hashParams;
}

Малка javascript функция която взима hash параметрите от url адреса и ги "връща" като обект. Примерно:
URL: http://example.com/#pg=1&sort-gsm=asc

{
    pg: "1",
    sort-gsm: "asc"
}

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