Can I use
?

IndexedDB

- REC

Method of storing data client-side, allows indexed database queries.

Chrome

  1. ❌ 4 - 9: Not supported (but has polyfill available)
  2. ❌ 10: Not supported
  3. ◐ 11 - 22: Partial support
  4. ✅ 23: Supported
  5. ✅ 24 - 136: Supported
  6. ✅ 137: Supported
  7. ✅ 138 - 140: Supported

Edge

  1. ◐ 12 - 18: Partial support
  2. ✅ 79 - 136: Supported
  3. ✅ 137: Supported

Safari

  1. ❌ 3.1 - 7: Not supported (but has polyfill available)
  2. ◐ 7.1 - 9.1: Partial support
  3. ✅ 10 - 14: Supported
  4. ◐ 14.1: Partial support
  5. ✅ 15 - 18.4: Supported
  6. ✅ 18.5: Supported
  7. ✅ 26.0 - TP: Supported

Firefox

  1. ❌ 2 - 3.6: Not supported
  2. ◐ 4 - 9: Partial support
  3. ✅ 10 - 15: Supported
  4. ✅ 16 - 138: Supported
  5. ✅ 139: Supported
  6. ✅ 140 - 142: Supported

Opera

  1. ❌ 9 - 10.1: Not supported
  2. ❌ 10.5 - 12.1: Not supported (but has polyfill available)
  3. ✅ 15 - 116: Supported
  4. ✅ 117: Supported

IE

  1. ❌ 5.5 - 9: Not supported
  2. ◐ 10: Partial support
  3. ◐ 11: Partial support

Chrome for Android

  1. ✅ 137: Supported

Safari on iOS

  1. ❌ 3.2 - 7.1: Not supported (but has polyfill available)
  2. ◐ 8 - 9.3: Partial support
  3. ✅ 10 - 14.4: Supported
  4. ◐ 14.5: Partial support
  5. ✅ 15 - 18.4: Supported
  6. ✅ 18.5: Supported
  7. ✅ 26.0: Supported

Samsung Internet

  1. ✅ 4 - 27: Supported
  2. ✅ 28: Supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10: Not supported
  2. ❌ 11 - 12.1: Not supported (but has polyfill available)
  3. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 4.3: Not supported (but has polyfill available)
  2. ✅ 4.4 - 4.4.4: Supported
  3. ✅ 137: Supported

Firefox for Android

  1. ✅ 139: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
Polyfill for browsers supporting WebSQL
Mozilla Hacks article
has.js test
WebPlatform Docs