CSSPropertyRule.initialValue
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
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 USVString
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.
@property --property-name {
syntax: '<color>';
inherits: false;
initial-value: #c0ffee;
}
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
BCD tables only load in the browser