code: function getAll(name) {
      validateArgumentsLength(arguments.length, 1);
      var entries = getInternalParamsState(this).entries;
      var key = name + '';
      var result = [];
      var i = 0;
      for (; i < entries.length; i++) if (entries[i].key === key) result.push(entries[i].value);
      return result;
    }
docs: `URLSearchParams.prototype.getAll` method https://url.spec.whatwg.org/#dom-urlsearchparams-getall