try { function URLSearchParamsPolyfill(options) { if (typeof options === 'string') { return (function (string, entries, object, index, item, keyValue, key, value, array, size) { if (string[0] === '?') { string = string.slice(1) } array = string.split('&') size = array.length for (index = 0; index 0 && (force || confirm('Move to ' + url + '?')