BASELINE NowYouCanUse.com
Limited Availability CSS
id: attr

attr()

The attr() CSS function, in the context of any property, returns the value of an attribute of an HTML element, with the option to return it as a specific type or unit. You can set a default value for missing or invalid attributes.
Baseline Status: This feature is currently Limited and is missing in at least one major browser engine.
Desktop Browser Engine Support
Google Chrome
133
Supported
Mozilla Firefox
155
Supported
Apple Safari
—
Unsupported
Microsoft Edge
133
Supported
Mobile Browser Engine Support
Chrome Android
133
Firefox Android
155
Safari iOS
—
Specifications and References
Specification ↗ Can I Use (css3-attr) ↗ Feature XML ↗
MDN Browser Compat Data Keys:
css.types.attr.declaration-value ↗ css.types.attr.fallback ↗ css.types.attr.type_function ↗ css.types.attr.type_function.angle ↗ css.types.attr.type_function.color ↗ css.types.attr.type_function.custom-ident ↗ css.types.attr.type_function.ident ↗ css.types.attr.type_function.image ↗ css.types.attr.type_function.integer ↗ css.types.attr.type_function.length ↗ css.types.attr.type_function.length-percentage ↗ css.types.attr.type_function.number ↗ css.types.attr.type_function.percentage ↗ css.types.attr.type_function.resolution ↗ css.types.attr.type_function.string ↗ css.types.attr.type_function.time ↗ css.types.attr.type_function.transform-function ↗ css.types.attr.type_function.url ↗