<html>
<head>
<script>
function loadXMLDoc() {
var xmlhttp;
if (window.XMLHttpRequest) {
// code for IE7+, Firefox, Chrome, Opera, Safari
xmlhttp = new XMLHttpRequest();
} else {
// code for IE6, IE5
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById("myDiv").innerHTML = xmlhttp.responseText;
}
}
xmlhttp.open("GET", "/try/ajax/ajax_info.txt", true);
xmlhttp.send();
}
</script>
</head>
<body>
<div id="myDiv">
<h2>
使用 AJAX 修改该文本内容
</h2>
</div>
<button type="button" onclick="loadXMLDoc()">
修改内容
</button>
</body>
</html>