I seem to find myself adding this back in frequently when debugging events.. might as well submit it.
Created attachment 221396 [details] patch
Comment on attachment 221396 [details] patch r=me Maybe you could even do console.assert(condition, "reason", "(", arguments, ")")
I don't think console will understand how to display arguments.
Comment on attachment 221396 [details] patch Clearing flags on attachment: 221396 Committed r162149: <http://trac.webkit.org/changeset/162149>
All reviewed patches have been landed. Closing bug.