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.
CSSPropertyRule.syntax
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
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
syntax |
85
|
85
|
No
|
No
|
71
|
No
|
85
|
85
|
No
|
60
|
No
|
14.0
|
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https://developer.mozilla.org/en-US/docs/Web/API/CSSPropertyRule/syntax