Create Workers from `data:` URLs

HTML specifies that `data:` URLs can be used to create workers with opaque origins. We should support this as a first step towards defining a sandboxing mechanism for Workers (and parity with other browsers).


Established standard

Status in Chromium


Enabled by default (tracking bug) in:

  • Chrome for desktop release 58
  • Chrome for Android release 58
  • Opera release 45
  • Opera for Android release 45

Consensus & Standardization

  • Shipped
  • Public support
  • No public signals
  • No signals


Last updated on 2017-09-20