Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Pomoc pśepytaś

Glědajśo se wobšudy pomocy. Njenapominajomy was nigda, telefonowy numer zawołaś, SMS pósłaś abo wósobinske informacije pśeraźiś. Pšosym dajśo suspektnu aktiwitu z pomocu nastajenja „Znjewužywanje k wěsći daś“ k wěsći.

Learn More

Firefox shows [object Object] on pages with code blocks

more options

Since a couple of months I see only [object Object] instead of code blocks on (almost) all web pages. For example on StackOverflow.

Any ideas what could cause this?

Since a couple of months I see only [object Object] instead of code blocks on (almost) all web pages. For example on StackOverflow. Any ideas what could cause this?
Pśipowjesone fota wobrazowki

Wubrane rozwězanje

The problem was caused by the Merlin extension. Disabling the extension fixed the issue.

Toś to wótegrono w konteksće cytaś 👍 5

Wšykne wótegrona (4)

more options

[object Object] sounds like the return value when you haven't called the right property or function on a JavaScript object.

I don't know what is causing on that post -- it looks normal to me: https://stackoverflow.com/a/3723649

Could you try temporarily disabling any extensions you've installed during 2023 and see whether that makes any difference?

more options

Wubrane rozwězanje

The problem was caused by the Merlin extension. Disabling the extension fixed the issue.

more options

Hello, I am facing the same problem Any other solutions?

more options

zayn.yacoob said

Hello, I am facing the same problem Any other solutions?

Any difference when you test in Firefox's Troubleshoot Mode? See: Diagnose Firefox issues using Troubleshoot Mode (do not "Refresh", just "Open").