CSSFontFeatureValuesMap: delete() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
The delete() method of the CSSFontFeatureValuesMap interface removes the CSS declaration with the given property in the CSSFontFeatureValuesMap.
Syntax
js
delete(property)
Parameters
property-
An identifier indicating the declaration to remove.
Return value
None (undefined).
Examples
Basic usage
The following example deletes the first declaration 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.has("swishy")); // logs true
myRule.swash.delete("swishy");
console.log(myRule.swash.has("swishy")); // logs false
Specifications
| Specification |
|---|
| CSS Fonts Module Level 4 # cssfontfeaturevaluesmap |