The NodeList.keys() method returns an iterator allowing to go through all keys contained in this object. The keys are unsigned integer.
nodeList.keys();
Returns an iterator.
var node = document.createElement("div");
var kid1 = document.createElement("p");
var kid2 = document.createTextNode("hey");
var kid3 = document.createElement("span");
node.appendChild(kid1);
node.appendChild(kid2);
node.appendChild(kid3);
var list = node.childNodes;
// Using for..of
for(var key of list.keys()) {
console.log(key);
}
The result is:
0 1 2
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 51 | 16 | 50 | No | 38 | 10 |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 51 | 51 | ? | 50 | ? | 10 | 5.0 |
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https://developer.mozilla.org/en-US/docs/Web/API/NodeList/keys