If you want to install JavaScript in VSCode, install Visual Studio Code & Node.JS, create and run a JavaScript program, and then take these steps.

In another SEO Office Hours recording from January 2020, Google highlighted that JavaScript redirects do take longer to process than server-side redirects. You can watch that video here.

How to import Named functions in Google Sheets The beauty of Named functions is that you don't have to retype the formula in full after the first time.