/* * @Author: nevin * @Date: 2022-08-25 18:08:49 * @LastEditTime: 2023-02-02 09:45:07 * @LastEditors: nevin * @Description: 53客服 */ function loadScript(url) { return new Promise((resolve, reject) => { var script = document.createElement("Script"); script.type = "text/javascript"; script.onload = resolve; script.onerror = reject; script.src = url; //把新建的