主页
JavaScript
JavaScript 对象原型
tryjs_object_prototype3
运行 ❯
×
更改方向
保存代码
更改主题
<!DOCTYPE html> <html> <body> <h2>JavaScript 对象</h2> <p>您不能向构造函数添加新属性。</p> <p id="demo"></p> <script> function Person(first, last, age, eye) { this.firstName = first; this.lastName = last; this.age = age; this.eyeColor = eye; } Person.nationality = "English"; var myFather = new Person("John", "Doe", 50, "blue"); var myMother = new Person("Sally", "Rally", 48, "green"); document.getElementById("demo").innerHTML = "The nationality of my father is " + myFather.nationality; </script> </body> </html>