CSS line-clamp

- UNOFF

Proprietary and undocumented CSS property that will contain text to a given amount of lines when used in combination with display: -webkit-box. It will end with ellipsis when text-overflow: ellipsis is included.

IE

  1. 5.5 - 10
  2. 11

Edge

  1. 12 - 16
  2. 17 - 18
  3. 79 - 81
  4. 83

Firefox

  1. 2 - 67
  2. 68 - 75
  3. 76
  4. 77 - 78

Chrome

  1. 4 - 13
  2. 14 - 81
  3. 83
  4. 84 - 86

Safari

  1. 3.1 - 4
  2. 5 - 13
  3. 13.1
  4. TP

Opera

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

iOS Safari

  1. 3.2 - 4.3
  2. 5 - 13.3
  3. 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

As there is no specification and the property is dependent on an outdated implementation of flexbox (hence display: -webkit-box), an alternative solution may at some point replace it.

Older (presto-based) versions of the Opera browser have also supported the same effect using the proprietary -o-ellipsis-lastline; value for text-overflow.

Resources:
Article on cross-browser CSS line clamping
CSS Tricks article