On: Blink-Dev – Intent to Deprecate and Freeze: The Us...

[Kiro]

I build HTML5 games and I need to use very specific hacks for certain browsers, e.g. use a different offscreen canvas implementation for Safari due to performance. I can't use feature detection since it's not about a missing feature.

[clopez → Kiro]

You can benchmark the alternatives for 2 seconds and choose the faster. Call it: performance detection