Baseline 2024
Newly available
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.
A string.
ExamplesThis 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;
}
const myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].syntax); // "<color>"
Specifications Browser compatibility
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HTML:
3.2
| Encoding:
UTF-8
| Version:
0.7.4