web api instance method

CSSFontFeatureValuesMap: clear() method

Limited availability

The clear() method of the CSSFontFeatureValuesMap interface removes all declarations in the CSSFontFeatureValuesMap.

Syntax

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

@font-feature-values "MonteCarlo" {
  @swash {
    swishy: 1;
    swashy: 2;
  }
}

JavaScript

// 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

SpecificationsStandards references are available on the canonical MDN page.

Browser compatibility

Browser compatibilityCompatibility data is available on the canonical MDN page.