​x
 
<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript 类</h1>
​
<p>如何使用 JavaScript 类。</p>
​
<p id="demo"></p>
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<script>
class Car {
  constructor(name, year) {
    this.name = name;
    this.year = year;
  }
}
​
const myCar = new Car("Ford", 2014);
document.getElementById("demo").innerHTML =
myCar.name + " " + myCar.year;
</script>
​
</body>
</html>
​