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NodeList: keys() method

The NodeList.keys() method returns an iterator allowing to go through all keys contained in this object. The keys are unsigned integer.

Syntax

keys()

Return value

Returns an iterator.

Example

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

Syntax

Return value

Example

Browser compatibility

See also