Canvas context "alpha" attribute

Allow the specification of a 2D canvas with an opaque backing store (alpha: false). Speeds up compositing. Enables LCD text anti-aliasing.


Public discussion

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 32
  • Chrome for Android release 32
  • Opera release 19
  • Opera for Android release 19

Consensus & Standardization

  • Shipped
  • No public signals
  • Mixed public signals
  • No signals


Last updated on 2017-06-14