The NodeList.keys()
method returns an iterator
allowing to go through all keys contained in this object. The keys are unsigned integer
.
On this page
NodeList: keys() method
Syntax
js
keys()
Return value
Returns an iterator
.
Example
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);
}
The result is:
0
1
2
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
keys |
51 | 16 | 50 | No | 38 | 10 | 51 | 51 | 50 | 41 | 10 | 5.0 |
See also
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/NodeList/keys