HTML DOMTokenList length

❮ The DOMTokenList Object

Examples

Get the DOMTokenList from "demo":

let list = document.getElementById("demo").classList;
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Get the number of tokens (classes) in the list:

let number = list.length;
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Description

The length property returns the number of tokens in a DOMTokenList.

The length property is read-only.

See Also:

The item() Method

The add() Method

The remove() Method

The toggle() Method

The forEach() Method

The entries() Method

The keys() Method

The values() Method

The DOMTokenList Object

Syntax

domtokenlist.length

Return Value

Type Description
NumberThe number of tokens in the The DOMTokenList.

Browser Support

domtokenlist.length is supported in all browsers:

Chrome IE Edge Firefox Safari Opera
Yes 10-11 Yes Yes Yes Yes
❮ The DOMTokenList Object
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