A: 8

B: 10

C: SyntaxError

D: ReferenceError

A: undefined is 21 Lydia is 21

B: function function

C: Lydia is 21 Lydia is 21

D: Lydia is 21 function

A : 0, '', undefined

B : 0, new Number(0), '', new Boolean(false), undefined

C : 0, '', new Boolean(false), undefined

D : Hammasi false

A : [1, 2, 3, 7 x null, 11]

B : [1, 2, 3, 11]

C : [1, 2, 3, 7 x empty, 11]

D : SyntaxError

A: 1 undefined 2

B: undefined undefined undefined

C: 1 1 2

D: 1 undefined undefined

A: [0, 10], [10, 20]

B: 20, 20

C: 10, 20

D: 0, 10 and 10, 20

A: []

B: [null, null, null]

C: [undefined, undefined, undefined]

D: [ 3 x empty ]

A: { x: 100, y: 20 }

B: { x: 10, y: 20 }

C: { x: 100 }

D: ReferenceError

A: Hello there,

B: Hello there, undefined

C: Hello there, null

D: ReferenceError