CSSPropertyRule: syntax property
Baseline 2024
Newly available
Since July 2024, this feature works across the latest devices and browser versions. This feature might not work in older devices or browsers.
The read-only syntax
property of the CSSPropertyRule
interface returns the literal syntax of the custom property registration represented by the @property
rule, controlling how the property's value is parsed at computed-value time.
Value
A string.
Examples
This stylesheet contains a single @property
rule. The first CSSRule
returned will be a CSSPropertyRule
representing this rule. The syntax
property returns the literal string "<color>"
.
css
@property --property-name {
syntax: "<color>";
inherits: false;
initial-value: #c0ffee;
}
js
let myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].syntax); //the string "<color>"
Specifications
Specification |
---|
CSS Properties and Values API Level 1 # dom-csspropertyrule-syntax |
Browser compatibility
BCD tables only load in the browser