The TokenList add() Method in HTML DOM is used to add one or more tokens or nodes in a DOM TokenList Object.
Syntax:
domtokenlist.add(token)
Parameter Values: It contains a value i.e token which specifies the name of the token that will be added to a TokenLIst. It is a required parameter.
Return Value: It does not return any value.
Example: Below HTML code illustrate the use of add() method.
<!DOCTYPE html>
<html>
<head>
<style>
.gfg {
background-color: green;
font-size: 50px;
}
</style>
</head>
<body>
<h2 id="gfg">
GeeksforGeeks
</h2>
<h2>
HTML DOM TokenList add() Method
</h2>
<button onclick="myGeek()">Submit</button>
<script>
function myGeek() {
var elem = document.getElementById("gfg");
// Adding class to div element
elem.classList.add("gfg");
}
</script>
</body>
</html>
Output:
Supported Browsers:
- Google Chrome 8 and above
- Edge 12 and above
- Internet Explorer 10 and above
- Opera Mini 12.1 and above
- Firefox 3.6 and above
- Apple Safari 5.1 and above