Readonly
lengthReturns the number of nodes in the collection.
Performs the specified action for each node in an list.
A function that accepts up to three arguments. forEach calls the callbackfn function one time for each element in the list.
Optional
thisArg: anyAn object to which the this keyword can refer in the callbackfn function. If thisArg is omitted, undefined is used as the this value.
NodeList objects are collections of nodes, usually returned by properties such as Node.childNodes and methods such as document.querySelectorAll().
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