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

The Google Search team has made a number of relatively minor changes to its JavaScript documentation and also removed much of the dynamic rendering documentation, as it has been deprecated as a ...

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.

Do you use Google Tag Manager or custom JavaScript with structured data? You will want to read this.