Thursday, August 26, 2021 [Tweets] [Favorites]

jsc

Craig Hockenberry (Hacker News):

In the JavaScript framework used by Safari and other parts of Apple’s products, there is a tool called jsc. It’s a command line interface for JavaScript that uses the same code as the rest of the system.

You can find the binary at /System/Library/Frameworks/JavaScriptCore.framework/Versions/Current/Helpers/jsc. That path is unwieldy, so I have an alias set up that lets my just type jsc in the Terminal.

So what can you do with jsc? Pretty much anything you can do with JavaScript in a browser with the caveat that there aren’t document and window instances.

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