代码示例:(标识:json_parse)
<!DOCTYPE html>
<html>
<body>

<h1>�� JSON �ַ�����������</h1>

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

<script>
var txt = '{"name":"Bill Gates", "age":62, "city":"Seattle"}'
var obj = JSON.parse(txt);
document.getElementById("demo").innerHTML = obj.name + ", " + obj.age;
</script>

</body>
</html>
运行结果: