en.javascript.info/1-js/09-classes/02-class-inheritance/1-class-constructor-error/task.md
2019-04-21 13:40:20 +03:00

469 B

importance: 5


Error creating an instance

Here's the code with Rabbit extending Animal.

Unfortunately, Rabbit objects can't be created. What's wrong? Fix it.

class Animal {

  constructor(name) {
    this.name = name;
  }

}

class Rabbit extends Animal {
  constructor(name) {  
    this.name = name;
    this.created = Date.now();
  }
}

*!*
let rabbit = new Rabbit("White Rabbit"); // Error: this is not defined
*/!*
alert(rabbit.name);