<html>
<body>
<script type="text/javascript">
personObj=new Object()
personObj.firstname="John"
personObj.lastname="Adams"
personObj.age=35
personObj.eyecolor="black"
document.write(personObj.firstname + " 的年龄是 " + personObj.age + " 岁。")
</script>
</body>
</html>