This is a simple javascript function to convert an object to a query string

convertObjectToQueryString

function toQueryString(obj) {
    var i;
    var arrayKeys = Object.keys(obj);
    var returnArray = []
    
    for(i = 0;i < arrayKeys.length;i++)
    {
        returnArray.push( encodeURIComponent(arrayKeys[i]) + '=' + encodeURIComponent(obj[arrayKeys[i]]));
    }
    return returnArray.join('&');
    
}