bc518174
 王天杨
提交两个项目文件
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import hasClass from './hasClass';
/**
* Adds a CSS class to a given element.
*
* @param element the element
* @param className the CSS class name
*/
export default function addClass(element, className) {
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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