JavaScript get url parameter with decode

getUrlVars.js

function getUrlVars() {
    
    var url = decodeURIComponent(window.location.href);
    var vars = {};
    var hashes = url.split("?")[1];
    var hash = hashes.split('&');
    
    for (var i = 0; i < hash.length; i++) {
        params = hash[i].split("=");
        vars[params[0]] = params[1];
    }
    
    return vars;
}