frontend-admin / Daocheng-Yading

  /**
   * Gets or sets an attribute of a given element.
   * 
   * @param node the element
   * @param attr the attribute to get or set
   * @param val the attribute value
   */
  export default function attribute(node, attr, val) {
    if (node) {
      if (typeof val === 'undefined') {
        return node.getAttribute(attr);
      }
  
      if (!val && val !== '') {
        node.removeAttribute(attr);
      } else {
        node.setAttribute(attr, String(val));
      }
    }
  }