JS Shell - Run JavaScript Code Online

Run JavaScript code online with our JS Shell. This free online tool lets you execute JS code snippets and explore the language interactively. Learn JS, try one-liners, or delve into JS quirks.

JS Shell

The JS Shell is an interactive JavaScript environment. It's a powerful tool for learning JavaScript, experimenting with code snippets, and quickly testing ideas.

Getting Started

To use the JS Shell, simply type your JavaScript code into the console below and press Enter. The results will be displayed immediately. You can also run JavaScript files by specifying their path.

Key Features

Here are some key features of the JS Shell:

  • Interactive JavaScript console
  • Supports JavaScript ES6+
  • Immediate feedback
  • Easy to use

Examples

Here are a few examples of how to use the JS Shell:

# Launch an interactive JavaScript session.
js

# Run the JavaScript code in the file `hello.js`.
js hello.js

# Run the `hello.js` file, then drop into the interactive shell.
js -f hello.js -i

Learn More

To learn more about JavaScript, check out these resources: