js_edu_wrap_up

What will this code do?

• Throw a ReferenceError

• Print "orange"

• Print "undefined"

Which value is falsy?

• 'false'

• []

• {}

• ``

• new Boolean(false)

What is the result of this code?

'2' > '12'

• TypeError

• true

• false

• NaN

What will this code print?

• Jack

• Daniel

• undefined

• ReferenceError

What will this code print?

• 0

• 1

• 2

What is the result of this code?

((...x, y) => x)(1, 2, 3)

• [1, 2, 3]

• [1, 2]

• 1

• SyntaxError

What is the result of this code?

['a', 'b', 'c'][3]

• 'c'

• undefined

• ReferenceError

• 'a'

What is the result of this code?

['', 0, null].indexOf(false)

• 0

• 1

• 2

• -1

What is the result of this code?

[15, 1, 2].sort()

• [1, 2, 15]

• ['1', '2', '15']

• [1, 15, 2]

• ['1', '15', '2']

What is the result of the following code?

[0, 1, 2, 3].some(v => v % 2 === 0)

• 0

• [0, 2]

• true

• false