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()

Parameters

None.

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

Specifications

Browser compatibility

See also

• Polyfill of NodeList.prototype.keys in core-js
• Node
• NodeList