Can I use
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CSS if() function

- WD

The if() CSS function allows different values to be set for a property depending on the result of a conditional test. The test can be based on a style query, a media query, or a feature query.

Chrome

  1. ❌ 4 - 136: Not supported
  2. ✅ 137 - 153: Supported
  3. ✅ 154: Supported
  4. ✅ 155 - 157: Supported

Edge

  1. ❌ 12 - 136: Not supported
  2. ✅ 137 - 153: Supported
  3. ✅ 154: Supported

Safari

  1. ❌ 3.1 - 26.6: Not supported
  2. ❌ 27: Not supported
  3. ❌ 27.1 - TP: Not supported

Firefox

  1. ❌ 2 - 156: Not supported
  2. ❌ 157: Not supported
  3. ❌ 158 - 160: Not supported

Opera

  1. ❌ 9 - 120: Not supported
  2. ✅ 121 - 134: Supported
  3. ✅ 135: Supported

IE

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

Chrome for Android

  1. ✅ 154: Supported

Safari on iOS

  1. ❌ 3.2 - 26.6: Not supported
  2. ❌ 27.0: Not supported
  3. ❌ 27.1 - 27.2: Not supported

Samsung Internet

  1. ❌ 4 - 29: Not supported
  2. ❌ 30: Not supported

Opera Mini

  1. ❌ all: Not supported

Opera Mobile

  1. ❌ 10 - 12.1: Not supported
  2. ❌ 80: Not supported

UC Browser for Android

  1. ❌ 15.5: Not supported

Android Browser

  1. ❌ 2.1 - 4.4.4: Not supported
  2. ✅ 154: Supported

Firefox for Android

  1. ❌ 157: Not supported

QQ Browser

  1. ❌ 14.9: Not supported

Baidu Browser

  1. ❌ 13.52: Not supported

KaiOS Browser

  1. ❌ 2.5: Not supported
  2. ❌ 3: Not supported
Resources:
Firefox support bug 1981485
MDN Web Docs - if()
Minimal vanilla JavaScript polyfill and PostCSS plugin
Firefox request for position
WebKit request for position