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CSSGroupingRule: deleteRule() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2021.

The deleteRule() method of the CSSGroupingRule interface removes a CSS rule from a list of child CSS rules.

In this article

Syntax

js
deleteRule(index)

Parameters

index

The index of the rule to delete.

Return value

None (undefined).

Exceptions

IndexSizeError DOMException

Thrown if index is greater than or equal to the number of child CSS rules.

InvalidStateError DOMException

Thrown if the rule being removed is an @namespace at-rule, and the list of child CSS rules contains anything other than @import at-rules and @namespace at-rules.

Examples

js
let myRules = document.styleSheets[0].cssRules; myRules[0].deleteRule(2); /* deletes the rule at index 2 */

Specifications

Specification
CSS Object Model (CSSOM)
# dom-cssgroupingrule-deleterule

Browser compatibility

Enable JavaScript to view this browser compatibility table.

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This page was last modified on Apr 7, 2023 by MDN contributors.

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  1. CSS Object Model (CSSOM)
  2. CSSGroupingRule
  3. Instance properties
    1. cssRules
  4. Instance methods
    1. deleteRule()
    2. insertRule()
  5. Inheritance
    1. CSSRule
  6. Related pages for CSSOM
    1. CSS
    2. CSSConditionRule
    3. CSSFontFeatureValuesMap
    4. CSSFontFeatureValuesRule
    5. CSSFontPaletteValuesRule
    6. CSSFunctionDeclarations
    7. CSSFunctionDescriptors
    8. CSSFunctionRule
    9. CSSImportRule
    10. CSSKeyframeRule
    11. CSSKeyframesRule
    12. CSSLayerBlockRule
    13. CSSLayerStatementRule
    14. CSSMediaRule
    15. CSSNamespaceRule
    16. CSSPageDescriptors
    17. CSSPageRule
    18. CSSPropertyRule
    19. CSSRule
    20. CSSRuleList
    21. CSSStartingStyleRule
    22. CSSStyleDeclaration
    23. CSSStyleProperties
    24. CSSStyleRule
    25. CSSStyleSheet
    26. CSSSupportsRule
    27. CaretPosition
    28. MediaList
    29. MediaQueryList
    30. Screen
    31. StyleSheet
    32. StyleSheetList
  7. Guides
    1. CSS Declaration
    2. CSS Declaration Block
    3. Determining the dimensions of elements
    4. Managing screen orientation
    5. Using dynamic styling information
    6. CSS value serialization

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