STR:

1. Load http://janodvarko.cz/xhr-spy/
2. Create Mouse -> click DOM BP
3. Check the Log checkbox
4. Click on the page
5. Check out the Console panel, there should be three click logs
6. Expand and collapse the first log
7. You should see MouseEvent.mozPressure is deprecated. Use PointerEvent.pressure instead. warning -> BUG

ER: the warning shouldn't be there

Honza

Note that logging on events was introduced in bug 1110276

Honza

This isn't related to logpoints, as the following STR would produce the same effect:

1. Navigate to data:text/html,<meta charset=utf8><script>document.addEventListener("click", console.log)</script>
2. Click on the page
3. Open the console
4. Expand the logged object in the console

I know for sure that we already have a bug for that, but I can't find it anymore. Basically it's because we iterate over the object when retrieving the properties, which makes the engine emit those warnings. We discussed in the other bug trying to filter out these messages from the console by looking at their stack.

I think this is a duplicate of bug 860312

(In reply to Mathew Hodson from comment #3)

I think this is a duplicate of bug 860312

indeed :)