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<body>
<h1>JavaScript Class Gettter/Setter</h1>
<p>在 JavaScript 中使用 getter/setter 时,使用下划线字符是常见做法,但不是强制性的,您可以随意命名它们,但不能与属性名称相同。</p>
<p id="demo"></p>
<script>
class Car {
  constructor(brand) {
    this._carname = brand;
  }
  get carname() {
    return this._carname;
  }
  set carname(x) {
    this._carname = x;
  }
}
let myCar = new Car("Ford");
document.getElementById("demo").innerHTML = myCar.carname;
</script>
</body>
</html>