CSSFontFeatureValuesMap: size property
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The size read-only property of the CSSFontFeatureValuesMap interface returns a positive integer containing the size of the CSSFontFeatureValuesMap object.
Value
A positive integer.
Examples
Basic usage
The following example outputs an integer of the number of the declarations within the @swash feature block. This example is using @swash but also works with other feature value blocks.
CSS
css
@font-feature-values "MonteCarlo" {
@swash {
swishy: 1;
swashy: 2;
}
}
JavaScript
js
// get the rules
const myRule = document.styleSheets[0].cssRules[0];
console.log(myRule.swash.size); // logs 2
Specifications
| Specification |
|---|
| CSS Fonts Module Level 4 # cssfontfeaturevaluesmap |