纯JS实现等待元素出现 通过for循环实现等待max60秒 async function waitForSelector(selector) { for (let index = 0; index < 60; index++) { await new Promise((resolve,reject)=>{ setTimeout(resolve,1000) }); // console.log(index) if (document.querySelector(selector)!==null) { return true; } } return false; }