Javascript basics

What type of variable is expressed as true/false?

• String

• Boolean

• Number

• Conditional

A variable can be declared with keyword ____________

What operator can be used with both strings and numbers?

• "-"

• "/"

• "+"

• "*"

• 2

• 17

• 60

• 7

Which of these is NOT a valid string?

• Hello

• "work4$"

• "Hello, world!"

• "dude'

What is the difference between loose equality (==) and strict equality (===)?

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What will be logged to the console here? --

var concatted = 5 + 7 + "hello" + 5 + 12

• 57hello512

• 12hello17

• 12hello512

• 57hello17

What will this boolean expression resolve to? --

"23" < "123"

• true

• false

Which of these characters CAN be included in a number?

• 7

• .

• ,

• -

How can the modulo operator be useful?

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