11 lines
520 B
JavaScript
11 lines
520 B
JavaScript
import hasClass from './hasClass';
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/**
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* Adds a CSS class to a given element.
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*
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* @param element the element
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* @param className the CSS class name
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*/
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export default function addClass(element, className) {
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if (element.classList) element.classList.add(className);else if (!hasClass(element, className)) if (typeof element.className === 'string') element.className = element.className + " " + className;else element.setAttribute('class', (element.className && element.className.baseVal || '') + " " + className);
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} |