在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>菜鸟教程(cainiaoplay.com)</title>
</head>
<body>

<h2>内容是数组</h2>
<p>内容是数组会转换为 JavaScript 数组。</p>

<p id="demo"></p>

<script>

var xmlhttp = new XMLHttpRequest();
xmlhttp.onreadystatechange = function() {
    if (this.readyState == 4 && this.status == 200) {
        myArr = JSON.parse(this.responseText);
        document.getElementById("demo").innerHTML = myArr[1];
    }
};
xmlhttp.open("GET", "/try/ajax/json_demo_array.txt", true);
xmlhttp.send();

</script>

<p>查看服务端数据 <a href="ajax/json_demo_array.txt.html" target="_blank">json_demo_array.txt</a></p>

</body>
</html>
源代码

动行结果
