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, thisArg?): void;
    item(index): Node;
    [index: number]: Node;
}

Hierarchy (view full)

Indexable

[index: number]: Node

Properties

length

Methods

forEach item

Properties

Readonly length

length: number

Returns the number of nodes in the collection.

MDN Reference

Methods

forEach

  • forEach(callbackfn, thisArg?): void

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

    Parameters

    • callbackfn: Object

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

    • Optional thisArg: 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

item

  • item(index): Node

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

    MDN Reference

    Parameters

    • index: number

    Returns Node

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