The Wayback Machine - https://web.archive.org/web/20240429183755/https://flight-manual.atom-editor.cc/faq/sections/how-do-i-build-or-execute-code-i-ve-written-in-atom/

Chapter 1: Getting Started

Chapter 2: Using Atom

Chapter 3: Hacking Atom

Chapter 4: Behind Atom

Reference: API

Appendix A: Resources

Appendix B: FAQ

Appendix C: Shadow DOM

Appendix D: Upgrading to 1.0 APIs

Appendix E: Atom server-side APIs

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How do I build or execute code I've written in Atom?

Atom doesn't have built-in support for building any type of code nor does it have built-in support for executing any kind of code other than JavaScript. Atom has a JavaScript interactive command-line (also known as a REPL) available through the Developer Tools. You can access the JavaScript REPL by using the following steps:

  1. Launch Atom
  2. Select the menu View > Developer > Toggle Developer Tools
  3. Click the "Console" tab

If you're looking for a JavaScript execution environment beyond a REPL, Atom doesn't come with anything built-in for that purpose.

If you want to build code or execute scripts from within Atom there are a number of packages available including:

Resources on getting started with languages that are commonly asked about: