HTML templates

- LS

Method of declaring a portion of reusable markup that is parsed but not rendered until cloned.

IE

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

Edge

  1. 12: Not supported
  2. 13 - 14: Partial support
  3. 15 - 85: Supported
  4. 86: Supported

Firefox

  1. 2 - 21: Not supported
  2. 22 - 80: Supported
  3. 81: Supported
  4. 82 - 83: Supported

Chrome

  1. 4 - 25: Not supported
  2. 26 - 34: Partial support
  3. 35 - 85: Supported
  4. 86: Supported
  5. 87 - 89: Supported

Safari

  1. 3.1 - 6: Not supported
  2. 6.1: Not supported
  3. 7: Not supported
  4. 7.1 - 8: Partial support
  5. 9 - 13.1: Supported
  6. 14: Supported
  7. TP: Supported

Opera

  1. 9 - 12.1: Not supported
  2. 15 - 21: Partial support
  3. 22 - 70: Supported
  4. 71: Supported

iOS Safari

  1. 3.2 - 7.1: Not supported
  2. 8 - 8.4: Partial support
  3. 9 - 13.7: Supported
  4. 14: Supported

Opera Mini

  1. all: Not supported

Android Browser

  1. 2.1 - 4.3: Not supported
  2. 4.4 - 4.4.4: Supported
  3. 81: Supported

Blackberry Browser

  1. 7: Not supported
  2. 10: Not supported

Opera Mobile

  1. 10 - 12.1: Not supported
  2. 59: Supported

Chrome for Android

  1. 85: Supported

Firefox for Android

  1. 79: Supported

IE Mobile

  1. 10: Not supported
  2. 11: Not supported

UC Browser for Android

  1. 12.12: Supported

Samsung Internet

  1. 4 - 11.2: Supported
  2. 12.0: Supported

QQ Browser

  1. 10.4: Supported

Baidu Browser

  1. 7.12: Supported

KaiOS Browser

  1. 2.5: Supported
Resources:
Polymer project (polyfill & web components framework)
Polyfill script
HTML5Rocks - HTML's New template Tag