CSSPropertyRule.syntax
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 USVString
.
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>"
.
@property --property-name {
syntax: '<color>';
inherits: false;
initial-value: #c0ffee;
}
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