30-seconds-of-code/snippets/js/s/add-class-to-html-element.md

title, type, language, tags, author, cover, dateModified

title	type	language	tags	author	cover	dateModified
Add class to HTML element	snippet	javascript	browser	chalarangelo	shiny-mountains	2020-12-30T19:21:15+02:00

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