30-seconds-of-code/snippets/addClass.md

title, tags

title	tags
addClass	browser,beginner

Adds a class to an HTML element.

• Use Element.classList and DOMTokenList.add() to add the specified class to the element.

const addClass = (el, className) => el.classList.add(className);

addClass(document.querySelector('p'), 'special');
// The paragraph will now have the 'special' class