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

setStyle

Sets the value of a CSS rule for the specified element.

Use element.style to set the value of the CSS rule for the specified element to value.

const setStyle = (el, ruleName, value) => (el.style[ruleName] = value);

setStyle(document.querySelector('p'), 'font-size', '20px'); // The first <p> element on the page will have a font-size of 20px