Google affirms that it renders all websites in its search results, even if those sites rely on JavaScript. Rendering Process Explained ...

On July 18, Google added a JavaScript SEO basics section to its Search developer’s guide. It includes general descriptions of how Google processes JavaScript as well as some best practices.

Google search only works with Javascript If you use Google search in Firefox, Chrome and the like, you won't get very far without JavaScript. But there are exceptions.

Google has added new guidance to the "Fix Search-related JavaScript problems" help document, specifically addressing JavaScript-based paywalls.

Google's Gary Illyes said that Google Search can process JavaScript redirects but Google still does not recommend using JavaScript redirects because other search engines might not pick up on it.