JavaScript 对象示例

<!DOCTYPE html>
<html>
  <head>
    <title>JavaScript 对象示例</title>
  </head>
  <body>
    <h1>JavaScript 对象示例</h1>
    <p id="demo"></p>

    <script>
      const person = {
        firstName: "Guo",
        lastName: "Junhui",
        age: 41
      };

      let {firstName, lastName, age} = person;

      document.getElementById("demo").innerHTML =
      firstName + " " + lastName + " " + age + "岁";
    </script>
  </body>
</html>