Web Storage - name/value pairs

- LS

Method of storing data locally like cookies, but for larger amounts of data (sessionStorage and localStorage, used to fall under HTML5).

Chrome

  1. 4 - 122: Supported
  2. 123: Supported
  3. 124 - 126: Supported

Edge

  1. 12 - 122: Supported
  2. 123: Supported

Safari

  1. 3.1 - 3.2: Not supported
  2. 4 - 17.3: Supported
  3. 17.4: Supported
  4. 17.5 - TP: Supported

Firefox

  1. 2 - 3: Partial support
  2. 3.5 - 123: Supported
  3. 124: Supported
  4. 125 - 127: Supported

Opera

  1. 9 - 10.1: Not supported
  2. 10.5 - 108: Supported
  3. 109: Supported

IE

  1. 5.5: Not supported
  2. 6 - 7: Not supported (but has polyfill available)
  3. 8 - 10: Supported
  4. 11: Supported

Chrome for Android

  1. 123: Supported

Safari on iOS

  1. 3.2 - 17.3: Supported
  2. 17.4: Supported
  3. 17.5: Supported

Samsung Internet

  1. 4 - 23: Supported
  2. 24: Supported

Opera Mini

  1. all: Not supported

Opera Mobile

  1. 10: Not supported
  2. 11 - 12.1: Supported
  3. 80: Supported

UC Browser for Android

  1. 15.5: Supported

Android Browser

  1. 2.1 - 4.4.4: Supported
  2. 123: Supported

Firefox for Android

  1. 124: Supported

QQ Browser

  1. 14.9: Supported

Baidu Browser

  1. 13.52: Supported

KaiOS Browser

  1. 2.5: Supported
  2. 3: Supported
Resources:
Support library
MDN Web Docs - Web Storage
Simple demo
has.js test
WebPlatform Docs