Numeric separators

This feature enables developers to make their numeric literals more readable by creating a visual separation between groups of digits. Using underscores (_, U+005F) as separators helps improve readability for numeric literals, for ex: 1_000_000_000.

Demos

Documentation

Specification

Editor's draft

Status in Chromium

Blink>JavaScript>Language


Enabled by default (tracking bug) in:

  • Chrome for desktop release 75
  • Chrome for Android release 75
  • Android WebView release 75

Consensus & Standardization

After a feature ships in Chrome, the values listed here are not guaranteed to be up to date.

  • In development
  • No public signals
  • No public signals
  • Positive

Owner

Last updated on 2019-06-25