摘要: mybutton.addEventListener('click', (e) => { let request = new XMLHttpRequest() request.onreadystatechange = () => { if(request.readyState === 4) { console.log('请求完毕') ... 阅读全文
posted @ 2018-06-16 02:00 RonyJay 阅读(581) 评论(0) 推荐(0) 编辑