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    Interface HTMLCollection

    The HTMLCollection interface represents a generic collection (array-like object similar to arguments) of elements (in document order) and offers methods and properties for selecting from the list.

    MDN Reference

    interface HTMLCollection {
        length: number;
        "[iterator]"(): ArrayIterator<Element>;
        item(index: number): Element | null;
        namedItem(name: string): Element | null;
        [index: number]: Element;
    }

    Hierarchy (View Summary)

    Indexable

    Index
    length
    [iterator] item namedItem
    length: number

    The HTMLCollection.length property returns the number of items in a HTMLCollection.

    MDN Reference

    • The namedItem() method of the HTMLCollection interface returns the first Element in the collection whose id or name attribute match the specified name, or null if no element matches.

      MDN Reference

      Parameters

      • name: string

      Returns Element | null

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