Dom: Iterable NamedNodeMap

[a-tarasyuk]

Based on Chrome, FF implementations NamedNodeMap can be iterable([Symbol.iterator])

for (const attr of document.body.attributes) {
    console.log(attr);
}

however, in the spec, there is no mention about that. For instance DOMTokenList has iterable<DOMString>.

[domenic]

Per Web IDL, any indexed getter and length property makes you automatically get [Symbol.iterator].

[inexorabletash]

Specifically https://heycam.github.io/webidl/#es-iterators (since I had that on the clipboard for a reply before domenic's comment landed)

[a-tarasyuk]

@domenic @inexorabletash thanks for the clarification.