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    Interface HTMLCollection

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

    MDN Reference

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

    Hierarchy (View Summary)

    Indexable

    Index
    length
    item namedItem
    length: number

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

    MDN Reference

    • The HTMLCollection method item() returns the element located at the specified offset into the collection.

      MDN Reference

      Parameters

      • index: number

      Returns Element | null

    • 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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