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<!DOCTYPE html> <html> <body> <h2>JavaScript 类 Getter/Setter</h2> <p>演示如何在类中添加 getter 和 setter，以及如何使用 getter 获取属性值。</p> <p id="demo"></p> <script> class Car { constructor(brand) { this.carname = brand; } get cnam() { return this.carname; } set cnam(x) { this.carname = x; } } let myCar = new Car("Ford"); document.getElementById("demo").innerHTML = myCar.cnam; </script> </body> </html>