NodeList: keys() Methode
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
Die NodeList.keys()
Methode gibt einen
iterator
zurück, der es ermöglicht, alle Schlüssel in diesem Objekt zu durchlaufen. Die Schlüssel sind unsigned integer
.
Syntax
js
keys()
Rückgabewert
Gibt einen iterator
zurück.
Beispiel
js
const node = document.createElement("div");
const kid1 = document.createElement("p");
const kid2 = document.createTextNode("hey");
const kid3 = document.createElement("span");
node.appendChild(kid1);
node.appendChild(kid2);
node.appendChild(kid3);
let list = node.childNodes;
// Using for...of
for (const key of list.keys()) {
console.log(key);
}
Das Ergebnis ist:
0 1 2
Browser-Kompatibilität
Report problems with this compatibility data on GitHubdesktop | mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
keys |
Legend
Tip: you can click/tap on a cell for more information.
- Full support
- Full support
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.