NodeList: keys() method
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.
The NodeList.keys() method returns an
iterator allowing to go through all keys contained
in this object. The keys are unsigned integer.
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
BCD tables only load in the browser