0330javascript

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

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 ;

What is the correct syntax to transform a string to upper case?

• var txt = "Hello!" ;

  toUpperCase( txt );

• var txt = "Hello!" ;

  toUpperCase.txt();

• var txt = "Hello!" ;

  txt.toUpperCase();

• var txt = "Hello!" ;

  txt(toUpperCase);

Which of these methods removes the last element of an array?

• pop( )

• splice( );

• push( )

• split( )

What would this piece of code display?

• 10

  20

  30

  40

• 1

  2

  3

  4

• 10

  20

  30

  40

  50

• 11

  22

  33

  44