← CodePrimer
JavaScript
Beginner
Dom
setAttribute and style
How do I change attributes and CSS from JS?
Attributes + inline styles.
const el = document.querySelector('#banner');
el.setAttribute('class', 'banner is-active');
el.style.color = 'blue';Notes
For classes, classList.add/remove/toggle is usually cleaner.
Keywords: setAttribute · style · class · dom
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