It's generally a good idea to use the strict comparison operators `===` and `!==`. We have a linting plugin in our [Gruntfile](https://github.com/DoSomething/dosomething/blob/dev/lib/themes/dosomething/paraneue_dosomething/Gruntfile.js#L157-L158) that will keep you honest if you don't want to think too much about it.