Browsers and Mail Open Web Console in Mozilla Firefox

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This tutorial will show you how to open the web console in Mozilla Firefox on Windows 10 and Windows 11.

The web console within DevTools, logs information associated with a web page: network requests, JavaScript, CSS, security errors and warnings as well as error, warning and informational messages explicitly logged by JavaScript code running in the page context.

The web console enables you to interact with a web page by executing JavaScript expressions in the context of the page:

User interface of the Web ConsoleParts of the Web Console UI.
The JavaScript input interpreterHow to interact with a document using the Console.
Split consoleUse the Console alongside other tools.
Console messagesDetails of the messages that the Console logs.
Helper commandsCommands use can use that are not part of JavaScript.
Rich outputSee and interact with objects logged by the Console.
Keyboard shortcutsShortcut reference


Here's How:

1 Open Firefox.

2 Press the Ctrl + Shift + K keys to directly open Console in the DevTools Toolbox at the bottom of the page.

3 You can filter the Console output by selecting (highlighted) and deselecting the Errors, Warnings, Logs, Info, Debug, CSS, XHR, and/or Request items for page issues you want to see. (see screenshots below)


4 When finished, you can close (X) the Dev Tools pane. (see screenshot below)


That's it,
Shawn Brink



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