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    Interface StylePropertyMapReadOnly

    The StylePropertyMapReadOnly interface of the CSS Typed Object Model API provides a read-only representation of a CSS declaration block that is an alternative to CSSStyleDeclaration. Retrieve an instance of this interface using Element.computedStyleMap().

    MDN Reference

    interface StylePropertyMapReadOnly {
        size: number;
        "[iterator]"(): StylePropertyMapReadOnlyIterator<
            [string, Iterable<CSSStyleValue, any, any>],
        >;
        entries(): StylePropertyMapReadOnlyIterator<
            [string, Iterable<CSSStyleValue, any, any>],
        >;
        forEach(
            callbackfn: (
                value: CSSStyleValue[],
                key: string,
                parent: StylePropertyMapReadOnly,
            ) => void,
            thisArg?: any,
        ): void;
        get(property: string): CSSStyleValue;
        getAll(property: string): CSSStyleValue[];
        has(property: string): boolean;
        keys(): StylePropertyMapReadOnlyIterator<string>;
        values(): StylePropertyMapReadOnlyIterator<
            Iterable<CSSStyleValue, any, any>,
        >;
    }

    Hierarchy (View Summary)

    Index

    Properties

    size

    Methods

    [iterator] entries forEach get getAll has keys values

    Properties

    size: number

    The size read-only property of the StylePropertyMapReadOnly interface returns an unsigned long integer containing the size of the StylePropertyMapReadOnly object.

    MDN Reference

    Methods

    • Parameters

      Returns void

    • The get() method of the StylePropertyMapReadOnly interface returns a CSSStyleValue object for the first value of the specified property.

      MDN Reference

      Parameters

      • property: string

      Returns CSSStyleValue

    • The getAll() method of the StylePropertyMapReadOnly interface returns an array of CSSStyleValue objects containing the values for the provided property.

      MDN Reference

      Parameters

      • property: string

      Returns CSSStyleValue[]

    • The has() method of the StylePropertyMapReadOnly interface indicates whether the specified property is in the StylePropertyMapReadOnly object.

      MDN Reference

      Parameters

      • property: string

      Returns boolean

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