HTML DOMTokenList keys()

❮ The DOMTokenList Object

Examples

Get a DOMTokenList from "demo":

let list = document.getElementById("demo").classList;
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List the keys of the list:

const list = document.body.childNodes;
for (let x of list.keys()) {
  text += x;
}
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List the values from the list:

const list = document.body.childNodes;
for (let x of list.values()) {
  text += x;
}
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Description

The keys() method returns an Iterator with the keys from a DOMTokenList.




Syntax

domtokenlist.keys()

Parameters

NONE

Return Value

Type Description
ObjectAn Iterator object with the keys from the list.

Browser Support

domtokenlist.keys() is a DOM Level 4 (2015) feature.

It is supported in all modern browsers:

Chrome Edge Firefox Safari Opera
Yes Yes Yes Yes Yes

domtokenlist.keys() is not supported in Internet Explorer 11 (or earlier).


❮ The DOMTokenList Object
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