Draft
This page is not complete.
This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The CSSVariableReferenceValue interface of the CSS Typed Object Model API allows you to create a custom name for a built-in CSS value. This object functionality is sometimes called a "CSS variable" and serves the same purpose as the var() function. The custom name must begin with two dashes.
Constructor
CSSVariableReferenceValue.CSSVariableReferenceValue()- Creates a new
CSSVariableReferenceValueobject.
Properties
CSSVariableReferenceValue.variable- Returns the custom name passed to the constructor.
CSSVariableReferenceValue.fallbackRead only- Returns the built-in CSS value for the custom name.
Methods
None.
Specifications
| Specification | Status | Comment |
|---|---|---|
| CSS Typed OM Level 1 The definition of 'CSSVariableReferenceValue' in that specification. |
Working Draft | Initial definition. |
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Update compatibility data on GitHub
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
CSSVariableReferenceValue | Chrome Full support 66 | Edge Full support 79 | Firefox No support No | IE No support No | Opera Full support 53 | Safari No support No | WebView Android Full support 66 | Chrome Android Full support 66 | Firefox Android No support No | Opera Android Full support 47 | Safari iOS No support No | Samsung Internet Android Full support 9.0 |
CSSVariableReferenceValue() constructor | Chrome Full support 66 | Edge Full support 79 | Firefox No support No | IE No support No | Opera Full support 53 | Safari No support No | WebView Android Full support 66 | Chrome Android Full support 66 | Firefox Android No support No | Opera Android Full support 47 | Safari iOS No support No | Samsung Internet Android Full support 9.0 |
fallback | Chrome Full support 66 | Edge Full support 79 | Firefox No support No | IE No support No | Opera Full support 53 | Safari No support No | WebView Android Full support 66 | Chrome Android Full support 66 | Firefox Android No support No | Opera Android Full support 47 | Safari iOS No support No | Samsung Internet Android Full support 9.0 |
variable | Chrome Full support 66 | Edge Full support 79 | Firefox No support No | IE No support No | Opera Full support 53 | Safari No support No | WebView Android Full support 66 | Chrome Android Full support 66 | Firefox Android No support No | Opera Android Full support 47 | Safari iOS No support No | Samsung Internet Android Full support 9.0 |
Legend
- Full support
- Full support
- No support
- No support
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.