CSSFontFeatureValuesMap: clear() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The clear() method of the CSSFontFeatureValuesMap interface removes all declarations in the CSSFontFeatureValuesMap.
Syntax
js
clear()
Parameters
None.
Return value
None (undefined).
Examples
Basic usage
The following example removes all 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
myRule.swash.clear();
console.log(myRule.swash.size); // logs 0
Specifications
| Specification |
|---|
| CSS Fonts Module Level 4 # cssfontfeaturevaluesmap |