JavaScript Quiz

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?

• Hello Emma

• Hello user

• Hello+user

• nothing

What will this code display?

• 8, 2, 1, 4, 7

• 82147

• Myarray.length

• 5

Inside which HTML element do we put the JavaScript

• <scripting>

• <script>

• <js>

• <javascript>

If I want to change the mathematical expression from addition into multiplication, what symbol should I use?

• /

• *

• -

• x

A JavaScript file has an extension name of

• .jscp
• .js
• .css
• .Jp

Which keyword do we need to define a function?

• function
• method
• onclick
• functionName()

How do we generate a random number?

• Math.random()
• random.number()
• number.random()
• Random.math()