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CSS3 attr() function for all properties

With CSS Values and Units Level 3, the “attr” function can be used on any CSS property, plus with non-string values e.g., numbers and colors.

Last updated on : 2025-03-16

Browser Versions

Edge

Firefox

Chrome

Safari

Opera

5.5 - 11

12 - 132

133 - 133

2 - 138

4 - 134

135 - 136

3.2 - 18.4

9.5 - 114

Fully Supported

Partially

No Support

Specifications

CSS Values and Units Module Level 5 # attr-notation

Browser Compatibility

CSS3 attr() function for all properties on IE is not supported on any IE versions.

CSS3 attr() function for all properties on Edge is fully supported on 133-133, and not supported on 12-132 Edge versions.

CSS3 attr() function for all properties on Firefox is not supported on any Firefox versions.

CSS3 attr() function for all properties on Chrome is fully supported on 135-136, and not supported on 4-134 Chrome versions.

CSS3 attr() function for all properties on Safari is not supported on any Safari versions.

CSS3 attr() function for all properties on Opera is not supported on any Opera versions.

CSS3 attr() function for all properties on Safari on iOS is not supported on any Safari on iOS versions.

CSS3 attr() function for all properties on Android Browser is fully supported on 133-133, and not supported on 2.3-132 Android Browser versions.

CSS3 attr() function for all properties on Opera Mobile is not supported on any Opera Mobile versions.

CSS3 attr() function for all properties on Chrome for Android is fully supported on 133-133, and not supported on 97-132 Chrome for Android versions.

CSS3 attr() function for all properties on Firefox for Android is not supported on any Firefox for Android versions.

CSS3 attr() function for all properties on Samsung Internet is not supported on any Samsung Internet versions.

Browser Support for CSS3 attr() function for all properties

CSS3 attr() function for all properties on Chrome

CSS3 attr() function for all properties on Safari

CSS3 attr() function for all properties on Firefox

CSS3 attr() function for all properties on Internet Explorer

CSS3 attr() function for all properties on Opera

CSS3 attr() function for all properties on Edge

References

Data sourced from

Low

Overall Browser Compatibility Score

Note:CSS3 attr() function for all properties shows a browser compatibility score of 0. This is a collective score out of 100 to represent browser support of a web technology. The higher this score is, the greater is the browser compatibility. The browser compatibility score is not a 100% reflection for every browser and the web technology support. However, it does give you an estimate on how much you should rely on a particular web technology in terms of browser compatibility.

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