摘要: var result = null; var xhr = new XMLHttpRequest(); xhr.onreadystatechange = function() { if (xhr.readyState == 4 && xhr.status == 200) { result = xhr. 阅读全文
posted @ 2022-02-17 21:13 AngDH 阅读(45) 评论(0) 推荐(0) 编辑