Web platform features explorer

localStorage and sessionStorage

The localStorage and sessionStorage APIs store data as key-value pairs. While localStorage persists across sessions, sessionStorage data is discarded when the page is closed.

Status

Baseline Widely Available (since 2018-01-29)

MDN documentation

Specifications

Browser support (view on caniuse.com)

  • Chrome 4 Released on 2010-01-25
  • Chrome Android 18 Released on 2012-06-27
  • Edge 12 Released on 2015-07-29
  • Firefox 3.5 Released on 2009-06-30
  • Firefox for Android 6 Released on 2011-08-16
  • Safari 4 Released on 2009-06-08
  • Safari on iOS 3.2 Released on 2010-04-03

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