What is the purpose of the HTML “no-js” class?

Question

I notice that in a lot of template engines, in the HTML5 Boilerplate, in various frameworks and in plain php sites there is the no-js class added onto the

Answer 1

The no-js class is used to style a webpage, dependent on whether the user has JS disabled or enabled in the browser.

As per the Modernizr docs:

no-js

By default, Modernizr will rewrite to . This lets hide certain elements that should only be exposed in environments that execute JavaScript. If you want to disable this change, you can set enableJSClass to false in your config.