菜鸟教程在线编辑器

AI 编程工具
 
                <!DOCTYPE html>
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<head>
<meta charset="utf-8">
<title>菜鸟教程(runoob.com)</title>
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<p>你也可以使用中括号（[]）来访问 JOSN 对象的值：</p>

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

<script>

var myObj, x;
myObj = myObj = { "name":"runoob", "alexa":10000, "site":null };
x = myObj["name"];
document.getElementById("demo").innerHTML = x;

</script>

</body>
</html>
              