<html><body><h2>JavaScript 对象</h2><p id="demo"></p><script>// 创建一个对象：var person = {firstName:"John", lastName:"Doe", age:50, eyeColor:"blue"};// 显示来自对象的一些数据：document.getElementById("demo").innerHTML =person.firstName + " is " + person.age + " years old.";</script></body></html>