Can I use
?

Form attribute

- LS

Attribute for associating input and submit buttons with a form.

Chrome

  1. ❌ 4 - 9: Not supported
  2. ✅ 10 - 127: Supported
  3. ✅ 128: Supported
  4. ✅ 129 - 131: Supported

Edge

  1. ❌ 12 - 15: Not supported
  2. ✅ 16 - 127: Supported
  3. ✅ 128: Supported

Safari

  1. ❌ 3.1 - 4: Not supported
  2. ﹖ 5: Support unknown
  3. ✅ 5.1 - 17.5: Supported
  4. ✅ 17.6: Supported
  5. ✅ 18.0 - TP: Supported

Firefox

  1. ❌ 2 - 3.6: Not supported
  2. ✅ 4 - 129: Supported
  3. ✅ 130: Supported
  4. ✅ 131 - 133: Supported

Opera

  1. ❌ 9: Not supported
  2. ✅ 9.5 - 110: Supported
  3. ✅ 111: Supported

IE

  1. ❌ 5.5 - 10: Not supported
  2. ❌ 11: Not supported

Chrome for Android

  1. ✅ 128: Supported

Safari on iOS

  1. ❌ 3.2 - 4.3: Not supported
  2. ✅ 5 - 17.5: Supported
  3. ✅ 17.6: Supported
  4. ✅ 18.0: Supported

Samsung Internet

  1. ✅ 4 - 24: Supported
  2. ✅ 25: Supported

Opera Mini

  1. ✅ all: Supported

Opera Mobile

  1. ✅ 10 - 12.1: Supported
  2. ✅ 80: Supported

UC Browser for Android

  1. ✅ 15.5: Supported

Android Browser

  1. ❌ 2.1 - 2.3: Not supported
  2. ✅ 3 - 4.4.4: Supported
  3. ✅ 128: Supported

Firefox for Android

  1. ✅ 127: Supported

QQ Browser

  1. ✅ 14.9: Supported

Baidu Browser

  1. ✅ 13.52: Supported

KaiOS Browser

  1. ✅ 2.5: Supported
  2. ✅ 3: Supported
Resources:
Article on usage
Input attribute specification