Blog: 2026-03-03

Firefox dev tools doesn't provide a console repl any more it seems.

I liked it when you could enter a command and have it clear the input. Now it's doing this multiline repl thing:

So now I'm seeing how far along ladybird is. First attempt to run didn't work, updated xcode and trying again.

Ok I found the firefox setting: https://firefox-source-docs.mozilla.org/devtools-user/web_console/the_command_line_interpreter/index.html#multi-line-mode

Just hitting cmd+b resolved it ... !

Meanwhile Ladybird built once I upgraded xcode but it only opened a debugging server on port 6000 and did not provide a UI. Huh!

Turns out the firefox button to switch back to what they call "inline" evaluation was just the X here:

Cool this extension https://addons.mozilla.org/en-US/firefox/addon/clearurls/