<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>Object-oriented JavaScript class example</title>
  </head>

  <body>
    <p>This example requires you to enter commands in your browser's JavaScript console (see <a href="https://developer.mozilla.org/en-US/docs/Learn/Common_questions/What_are_browser_developer_tools">What are browser developer tools</a> for more information).</p>

  </body>

    <script>
      function Person(first, last, age, gender, interests) {
        this.name = {
          'first': first,
          'last' : last
        };
        this.age = age;
        this.gender = gender;
        this.interests = interests;
        this.bio = function() {
          alert(this.name.first + ' ' + this.name.last + ' is ' + this.age + ' years old. He likes ' + this.interests[0] + ' and ' + this.interests[1] + '.');
        };
        this.greeting = function() {
          alert('Hi! I\'m ' + this.name.first + '.');
        };
      };

      let person1 = new Person('Bob', 'Smith', 32, 'male', ['music', 'skiing']);
    </script>
</html>
