Interface CSSStyleDeclarationBase

The CSSStyleDeclaration interface is the base class for objects that represent CSS declaration blocks with different supported sets of CSS style information:

MDN Reference

interface CSSStyleDeclarationBase {
    cssText: string;
    length: number;
    parentRule: CSSRule | null;
    getPropertyPriority(property: string): string;
    getPropertyValue(property: string): string;
    item(index: number): string;
    removeProperty(property: string): string;
    setProperty(
        property: string,
        value: string | null,
        priority?: string,
    ): void;
    [index: number]: string;
}

Hierarchy (View Summary)

Indexable

  • [index: number]: string
Index
cssText length parentRule
getPropertyPriority getPropertyValue item removeProperty setProperty
cssText: string

The cssText property of the CSSStyleDeclaration interface returns or sets the text of the element's inline style declaration only.

MDN Reference

length: number

The read-only property returns an integer that represents the number of style declarations in this CSS declaration block.

MDN Reference

parentRule: CSSRule | null

The CSSStyleDeclaration.parentRule read-only property returns a CSSRule that is the parent of this style block, e.g., a CSSStyleRule representing the style for a CSS selector.

MDN Reference

  • The CSSStyleDeclaration.getPropertyPriority() method interface returns a string that provides all explicitly set priorities on the CSS property.

    MDN Reference

    Parameters

    • property: string

    Returns string

  • The CSSStyleDeclaration.getPropertyValue() method interface returns a string containing the value of a specified CSS property.

    MDN Reference

    Parameters

    • property: string

    Returns string

  • The CSSStyleDeclaration.item() method interface returns a CSS property name from a CSSStyleDeclaration by index.

    MDN Reference

    Parameters

    • index: number

    Returns string

  • The CSSStyleDeclaration.removeProperty() method interface removes a property from a CSS style declaration object.

    MDN Reference

    Parameters

    • property: string

    Returns string

  • The CSSStyleDeclaration.setProperty() method interface sets a new value for a property on a CSS style declaration object.

    MDN Reference

    Parameters

    • property: string
    • value: string | null
    • Optionalpriority: string

    Returns void

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