Javascript

What type of variable is apple?

var apple = " Fuji "

• string

• Boolean

• array

• number

What type of variable is quantites?

var quantities = [2, 4, 10, 1]

• string

• Boolean

• array

• number

What is first index value of an array?

• 2

• -1

• 0

• 1

What will this code display?

• 8, 2, 1, 4, 7

• 82147

• Myarray.length

• 5

What will this code display?

• Hello Emma

• Hello user

• Hello+user

• nothing

What will this code display?

• 570

• 569

• 568

• attendees

What would this piece of code do?

• change the background color of the word demo to red

• change the font color of the demo element to red

• this is not correct

• styles the element with the class demo

Which of these is a method?

• getElementById( )

• style

• document

• color

Which line is missing to return the result of the multiplication 10 x 5 ?

• result

• number 1 * number 2 ;

• let result = 10 x 5 ;

• var result = number 1 * number 2 ;

Correct this code so that

Hello!

is displayed in the paragraph

with the id "demo"

• add

  .style.text

  after ("demo")

• add

  .innerHTML

  after ("demo")

• add a semi colon after myFunction()

• Save "Hello" in a variable first