maxlength attribute for input and textarea elements

- LS

Declares an upper bound on the number of characters the user can input. Normally the UI ignores attempts by the user to type in additional characters beyond this limit.

IE

  1. 5.5
  2. 6 - 9
  3. 10
  4. 11

Edge

  1. 12 - 18
  2. 79 - 81
  3. 83

Firefox

  1. 2 - 3.6
  2. 4 - 50
  3. 51 - 75
  4. 76
  5. 77 - 78

Chrome

  1. 4 - 81
  2. 83
  3. 84 - 86

Safari

  1. 3.1
  2. 3.2 - 4
  3. 5
  4. 5.1 - 13
  5. 13.1
  6. TP

Opera

  1. 9
  2. 9.5 - 12.1
  3. 15 - 67
  4. 68

iOS Safari

  1. 3.2
  2. 4 - 7.1
  3. 8 - 8.4
  4. 9 - 13.3
  5. 13.4

Opera Mini

  1. all

Android Browser

  1. 2.1 - 2.2
  2. 2.3 - 4.4.4
  3. 81

Blackberry Browser

  1. 7
  2. 10

Opera Mobile

  1. 10 - 12.1
  2. 46

Chrome for Android

  1. 81

Firefox for Android

  1. 68

IE Mobile

  1. 10
  2. 11

UC Browser for Android

  1. 12.12

Samsung Internet

  1. 4 - 10.1
  2. 11.1

QQ Browser

  1. 10.4

Baidu Browser

  1. 7.12

KaiOS Browser

  1. 2.5
Resources:
MDN Web Docs - attribute maxlength