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Editorial Team
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Asked: 2026-06-01T12:08:58+00:00

With OS X Xcode installed one can run ruby code in terminal with >ruby

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With OS X Xcode installed one can run ruby code in terminal with “>ruby somefile.rb” command (or from inside TextWrangler with the run command). You can also run a ruby interpreter from in terminal and type code in single lines while the interpreter retains variable objects.

Want same possibilities for Javascript. What must I install (if anything) on OS X to have that functionality? Not looking for an IDE as such just an interpreter that will run in Terminal.app?

I assume this is an allowed question for Stackoverflow based on other allowed questions about IDEs for various languages like:
What's a good IDE for Python on Mac OS X?

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1 Answer

  1. Editorial Team

    Node.js. It’s the V8 engine + libraries + REPL.

    Although Node is usually used for web/network-related applications, at its core it’s just a plain JS engine and can even be used for shell scripting.

    You can install it from the installer, brew or just ./configure && make from a Node.js’ tarball.

    There’s also Rhino.

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