# Subject of the issue jQuery 3.5.0 has depreacted `$.trim` and should use `String.prototype.trim` instead ### Your environment * version of `jquery-validate`: 1.19.1 * which browser and its version: N/A ### Steps to reproduce See [jQuery 3.5.0 release notes](https://blog.jquery.com/2020/04/10/jquery-3-5-0-released/) ### Expected behaviour <!-- Tell us what should happen --> ### Actual behaviour <!-- Tell us what happens instead -->