Scratchpad was removed with the launch of Firefox 72, but this article explains how to use a suitable alternative for testing JavaScript code.

What to Know

  • Scratchpad is no longer available. As an alternative, use Mozilla Firefox’s Web Console. In Firefox, go to Tools > Web Developer > Web Console. Next, to access multi-line editing, use the Ctrl+B keyboard shortcut (Cmd+B on a Mac) > enter code.

Using Firefox’s Web Console Editor Mode

While Scratchpad is no longer available, Mozilla did introduce a Web Console editor mode with Firefox 71+. This is a suitable alternative for writing and testing multi-line JavaScript. Here’s how to access it.

  • Open Tools > Web Developer > Web Console.
  • You can also access the web console via the keyboard shortcut CTRL+SHIFT+K.
  • The console appears at the bottom of the screen and shows the current web page’s code. Enter the multi-line editing mode by clicking the arrows on the lower left side of the console.
  • You can also access multi-line editing via the keyboard shortcut Ctrl + B (Cmd + B on macOS).
  • Type your code into the editor. Use Enter to add new lines, or use CTRL+Enter to run them.

Open Tools > Web Developer > Web Console.

You can also access the web console via the keyboard shortcut CTRL+SHIFT+K.

The console appears at the bottom of the screen and shows the current web page’s code. Enter the multi-line editing mode by clicking the arrows on the lower left side of the console.

You can also access multi-line editing via the keyboard shortcut Ctrl + B (Cmd + B on macOS).

Type your code into the editor. Use Enter to add new lines, or use CTRL+Enter to run them.

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