CSSFontFeatureValuesMap: delete() method

Limited availability

The delete() method of the CSSFontFeatureValuesMap interface removes the CSS declaration with the given property in the CSSFontFeatureValuesMap.

Syntax

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

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

JavaScript

// 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

Browser compatibility

See also

• Map.prototype.delete()