Removing specific values from your browser’s local storage will solve many problems related to the browser crashing or freezing on FreeCodeCamp.
This solves, as example, a common problem with browser hanging out in a challenge’s page after saving a response with an infinite loop.
When this happens, you must delete the value in
localStorage storing that response.
On freecodecamp.com, open your developer tools.
Navigate to the
Local Storage item in the left pane
Find the challenge you wish to delete data in the right pane
Right click the desired challenge and select
On freecodecamp.com, open your web console with
From there, using directly the console:
Note: This can also be done with the Storage Inspector, but seems like Firefox hangs out when there are so many values.