<p>AJAX实现读取文本文档内容到网页
</p>
<p>
function readTxt() {
var xhr = new XMLHttpRequest();
xhr.open('get','txt/ajax_info.txt',true);
xhr.send();
xhr.onreadystatechange = function () {
if (xhr.readyState == 4&&xhr.status == 200){
alert("请求成功且返回数据成功");
jsContainer.innerHTML = xhr.responseText;
}
</p>
