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    Interface NodeList

    NodeList objects are collections of nodes, usually returned by properties such as Node.childNodes and methods such as document.querySelectorAll().

    MDN Reference

    interface NodeList {
        length: number;
        forEach(
            callbackfn: (value: Node, key: number, parent: NodeList) => void,
            thisArg?: any,
        ): void;
        item(index: number): null | Node;
        [index: number]: Node;
    }

    Hierarchy (View Summary)

    Indexable

    • [index: number]: Node
    Index

    Properties

    length

    Methods

    forEach item

    Properties

    length: number

    Returns the number of nodes in the collection.

    MDN Reference

    Methods

    • Performs the specified action for each node in an list.

      Parameters

      • callbackfn: (value: Node, key: number, parent: NodeList) => void

        A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the list.

      • OptionalthisArg: any

        An object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.

      Returns void

    • Returns the node with index index from the collection. The nodes are sorted in tree order.

      MDN Reference

      Parameters

      • index: number

      Returns null | Node

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