/* * @Description: 判断元素是否为dom元素 * @Autor: kindring * @Date: 2021-10-28 15:07:58 * @LastEditors: kindring * @LastEditTime: 2021-10-28 15:07:59 * @LastDescript: */ function isDom(dom) { if (typeof dom != 'object') { return false; } if (typeof HTMLElement == 'object') { return dom instanceof HTMLElement } else { return dom.nodeType === 1 && dom.nodeName === 'string' } }