Can I use
?

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 - 153: Supported
  2. ✅ 154: Supported
  3. ✅ 155 - 157: Supported

Edge

  1. ✅ 12 - 153: Supported
  2. ✅ 154: Supported

Safari

  1. ❌ 3.1 - 3.2: Not supported
  2. ✅ 4 - 26.6: Supported
  3. ✅ 27: Supported
  4. ✅ 27.1 - TP: Supported

Firefox

  1. ◐ 2 - 3: Partial support
  2. ✅ 3.5 - 157: Supported
  3. ✅ 158: Supported
  4. ✅ 159 - 161: Supported

Opera

  1. ❌ 9 - 10.1: Not supported
  2. ✅ 10.5 - 134: Supported
  3. ✅ 135: 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. ✅ 154: Supported

Safari on iOS

  1. ✅ 3.2 - 26.6: Supported
  2. ✅ 27.0: Supported
  3. ✅ 27.1 - 27.2: Supported

Samsung Internet

  1. ✅ 4 - 29: Supported
  2. ✅ 30: 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. ✅ 154: Supported

Firefox for Android

  1. ✅ 157: 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