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<!DOCTYPE html>
<html>
<body>
​
<h1>JavaScript Class Setter</h1>
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<p>使用 setter 设置属性值时，请不要使用括号。</p>
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<p id="demo"></p>
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<script>
class Car {
  constructor(brand) {
    this._carname = brand;
  }
  set carname(x) {
    this._carname = x;
  }
  get carname() {
    return this._carname;
  }
}
​
let myCar = new Car("Ford");
myCar.carname = "Volvo";
document.getElementById("demo").innerHTML = myCar.carname;
</script>
​
</body>
</html>
​