[webkit-dev] spamming the developer console

Adam Barth abarth at webkit.org
Fri May 11 14:25:09 PDT 2012

On Fri, May 11, 2012 at 2:21 PM, Ojan Vafai <ojan at chromium.org> wrote:
> The amount of spam we throw in the developer console has grown quite a bit.
> spam == things logged to the console that web developers have no control
> over
> Unlike uncaught javascript exceptions (which can easily just be caught),
> there is no way to prevent the following from cluttering your console:
> -clientX/clientY deprecation warning
> -setting the fragment on a frame URL [1]
> -loading a resource disallowed by CSP

^^^ Why isn't this a bug that developers would want to fix?

> -attempting to load a resource (e.g. in an image or iframe) that doesn't
> exist
> These warnings are not developer friendly. The equivalent would be to have
> compiler warnings that you are unable to turn off. It clutters the console
> and makes many console use-cases harder (e.g. console.log style debugging).
> We need a better solution.
> In many cases, these warnings don't actually represent bugs in the program
> (e.g. the are legit reasons to try to load a non-existent resource in an
> image element).
> Some potential solutions:
> 1. Create a new loggling level (browserwarnings?) in addition to the current
> errors/warnings/logs. This kind of half-solves the problem since you can't
> just side these logs.
> 2. Have preventDefault in an onError handler prevent logging these to the
> console (works for the navigation warnings).
> 3. Have some other inspector panel where these get logged.
> 4. Have some window-level state that disables all these sorts of warnings
> (or something more fine-grained like being able to disable deprecation
> warnings and navigation warnings separately).
> 5. ???
> My preference would be to do both options 1 and 2 (they're not mutually
> exclusive), unless someone has a better suggestion.
> Ojan
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