This comparison will have to be `!=` (eqeqeq: false); see https://github.com/jquery/jquery/commit/0fcfac7568823a4eec4e5dd7b9bf527a8ec04f5c and https://github.com/rafBM/jquery/commit/89246aaaba68f4e5b235ec0b7b5dcc2616d4c787.