<!DOCTYPE html>
<html>
<body>
<h1>JSON 对象</h1>
<p>使用括号表示法访问 JSON 对象：</p>
<p id="demo"></p>
<script>
var myObj, x;
myObj = {"name":"Bill Gates", "age":62, "car":null};
x = myObj["name"];
document.getElementById("demo").innerHTML = x;
</script>
</body>
</html>