Certifikát

1.let car = {make: ‘Jeep’, model: ‘Cherokee’};

1. 2 * circle.radius * Math.PI

2. user[‘full name’]

3.  It will display the values of all the properties.

4.  (tree1.species == tree2.species) && (tree1.species == tree2.species)

5.  39776830

6. show: function() {console.log(${this.name} ${this.surname});}

7. set firstName(name) { this._firstName = name; }

8. Object.freeze(mountain);

9. return { name: name, age: age };

10. this.x = x;

let Person = class {
    constructor(name, age) {
        this.name = name;
        this.age = age;
    }
}

1. let mountain = new Mountain(‘Manaslu’, 8156);

2. Properties: title, author, genre; Methods: setGenre

3.  set species (val) { this._species = val; }

4. class Cat extends Animal {}

5.  Mountain.className()

6. true true

7. ‘12e-3’

8. return str.split(’ ‘).reverse();

9. let currentTime = new Date();

10. [2, 4]

11. let result = points.map(e => e.x + e.y);

12. colors.splice(2, 0, ‘purple’, ‘pink’);

13. true true 4

14. ‘green’

15.  let mountain = JSON.parse(strMountain);

16. 2 2 3

17. let r = /..jpg/;

18. two ‘Custom Method’ messages will appear in the console.

19.  1 3

20.  Red Blue

21. let bfn = fn.bind({a: 5});

22. A function that is called after a specific operation or event occurs.

23.  yield ['a', 'b'];

24. setTimeout(() ⇒ printText(‘Delayed message’), 5000);

25. a 1

26. Apple Banana Cherry

27. ghi def abc

28. To listen for successful completion of the XHR request.