[1, 2, [3, 4]]

[1, 2, 3, 4]

1, 2, 3, 4

[1, 2, [3], [4]]

{ value: 42 }

42

{}

TypeError: Cannot define property

16

4

64

2

0 1 2

1 2 3

a b c

{a:1, b:2, c:3}

1024

625

5

5,65685...

4 6

8 12

8

3

'a'

name

undefined

this

Moz ошибка

Moz lla

Moz undefined

Moz Moz

Hello World Hello World

Hello World undefined

Hello World ошибка

undefined

{ id: undefined, name: 'webcoderofficial', email: 'test@mail.ru' }

{ id: '1', name: 'webcoderofficial', email: 'test@mail.ru' }

{ id: [undefined, '1'], name: 'webcoderofficial', email: 'test@mail.ru' }