DOMTokenList.replace()

The replace() method of the DOMTokenList interface replaces an existing token with a new token.

Syntax

tokenList.replace(oldToken,newToken);

Parameters

oldToken
A DOMString representing the token you want to replace.
newToken
A DOMString representing the token you want to replace oldToken with.

Return value

Void.

Examples

In the following example we retrieve the list of classes set on a <span> element as a DOMTokenList using Element.classList. We then replace a token in the list, and write the list into the <span>'s Node.textContent.

First, the HTML:

<span class="a b c"></span>

Now the JavaScript:

var span = document.querySelector("span");
var classes = span.classList;
try {
  classes.replace("c", "z");
  span.textContent = classes;
} catch(e) {
  span.textContent = e;
}

The output looks like this:

Specifications

Specification Status Comment
DOM
The definition of 'replace()' in that specification.
Living Standard Initial definition

Browser compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support61 ?49 ?48 Yes
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support6161 ?4948 Yes No

Document Tags and Contributors

 Contributors to this page: fscholz, jpmedley, TrebuhD, ziyunfei, chrisdavidmills, jmsfwk, zbinlin, teoli
 Last updated by: fscholz,