CSSFontFeatureValuesMap: get() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The get() method of the CSSFontFeatureValuesMap interface returns value corresponding to the key in this CSSFontFeatureValuesMap, or undefined if there is none.
Syntax
js
get(property)
Parameters
key-
The key of the value to return from the
CSSFontFeatureValuesMapobject.
Return value
Returns true if an entry with the specified key exists in the CSSFontFeatureValuesMap object; otherwise false.
Examples
Basic usage
The following example gets the values that match the keys in the @swash rule. 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.get("swishy")); // logs [1]
console.log(myRule.swash.get("swashy")); // logs [2]
Specifications
| Specification |
|---|
| CSS Fonts Module Level 4 # cssfontfeaturevaluesmap |