DOMTokenList.DOMTokenList.add()

The DOMTokenList.add() method adds one or more DOMString to the list.

Syntax

tokenList.add(token, token2, tokenn);

Example

let node = document.createElement("div"); 
node.classList.add("class1"); 
node.classList.add("class2"); 
node.classList.add("class3"); 

// or with mutliple arguments
node.classList.add("class1", "class2", "class3");

// or with spread syntax
let classList = ["class1", "class2", "class3"];

node.classList.add(...classList);

for(let value of node.classList.values()) { 
  console.log(value); 
} 

The result is:

class1 
class2 
class3

Specifications

Browser compatibility