The add()
method of the DOMTokenList
interface adds the given token to the list.
Syntax
tokenList.add(token1[, token2[, ...tokenN]]);
Parameters
tokenN
- A
DOMString
representing the token (or tokens) to add to thetokenList
.
Return value
undefined
Examples
In the following example we retrieve the list of classes set on a <span>
element as a DOMTokenList
using Element.classList
. We then add a new token to the list, and write the list into the <span>
's Node.textContent
.
First, the HTML:
<span class="a b c"></span>
Now the JavaScript:
let span = document.querySelector("span"); let classes = span.classList; classes.add("d"); span.textContent = classes;
The output looks like this:
You can add multiple tokens as well:
span.classList.add("d", "e", "f");
Specifications
Specification | Status | Comment |
---|---|---|
DOM The definition of 'add()' in that specification. |
Living Standard | Initial definition |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
add | Chrome Full support 1 | Edge Full support 12 | Firefox Full support Yes | IE Full support 10 | Opera Full support Yes | Safari Full support 5.1 | WebView Android Full support Yes | Chrome Android Full support Yes | Firefox Android Full support Yes | Opera Android Full support Yes | Safari iOS Full support 5.1 | Samsung Internet Android Full support Yes |
Multiple arguments for add() | Chrome Full support 24 | Edge Full support 12 | Firefox Full support 26 | IE No support No | Opera Full support 15 | Safari Full support 7 | WebView Android Full support ≤37 | Chrome Android Full support 25 | Firefox Android Full support 26 | Opera Android Full support 14 | Safari iOS Full support 7 | Samsung Internet Android Full support 1.5 |
Legend
- Full support
- Full support
- No support
- No support