Symbols (ES6)

Allows properties to be added to existing objects without the possibility of interference with the existing properties, unintended visibility, or with other uncoordinated additions by any other code.

Documentation

Specification

Established standard

Status in Chromium

Blink


Enabled by default (launch bug) in:

  • Chrome for desktop release 38
  • Chrome for Android release 38
  • Opera release 25
  • Opera for Android release 25

Consensus & Standardization

Owner

Last updated on 2017-06-14