CSSFontFeatureValuesMap: clear() method

{{APIRef("CSSOM")}}{{SeeCompatTable}}

The clear() method of the {{domxref("CSSFontFeatureValuesMap")}} interface removes all declarations in the CSSFontFeatureValuesMap.

Syntax

clear()

Parameters

None.

Return value

None ({{jsxref("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

{{Specifications}}

Browser compatibility

{{Compat}}

See also

• Map.prototype.clear()