CSSPropertyRule: initialValue property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The read-only initialValue
nullable property of the CSSPropertyRule
interface returns the initial value of the custom property registration represented by the @property
rule, controlling the property's initial value.
Value
A string which is a <declaration-value>
as
defined in CSS Syntax 3.
Examples
This stylesheet contains a single @property
rule. The first CSSRule
returned will be a CSSPropertyRule
representing this rule. The initialValue
property returns the string "#c0ffee"
this being the value of the initial-value
property in the CSS.
css
@property --property-name {
syntax: "<color>";
inherits: false;
initial-value: #c0ffee;
}
js
let myRules = document.styleSheets[0].cssRules;
console.log(myRules[0].initialValue); //the string "#c0ffee"
Specifications
Specification |
---|
CSS Properties and Values API Level 1 # dom-csspropertyrule-initialvalue |
Browser compatibility
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