To block Javascript on all sites in Safari on your Mac, you can go to the Safari menu > Settings > Security and uncheck Enable JavaScript. On your iPhone, this setting is available under Settings ...

If you see JavaScript required to sign in error when using OneDrive, Skype, Teams or Office 365 apps, enable JavaScript in Chrome, Firefox, Edge.

Node.js is a lean, fast, cross-platform JavaScript runtime environment that is useful for both servers and desktop applications. Scalability, latency, and throughput are key performance indicators ...

Disable JavaScript here to get rid of it in Google Chrome on Android. On the same page, you can tap Add Site Exception, type the URL, and hit Add to allow JavaScript to run on specific websites.

To enable JavaScript, go into the Settings app on your iPhone, click "Safari," then "Advanced," and swipe the JavaScript button to the right so it appears green. Here's a full breakdown with pictures.