Javascript Quiz by Brandon and Amali

Which of the following is an example of a boolean expression?

• '5+3'

• 'let isLoggedIn=true;'

• 'x>5'

• “4”

A _____ is a variable that cannot be changed throughout the code

________ help explain code that is being written

How to write single line comments in javascript?

• //

• //*

• */

• *

Which of the following is an example of a Number data type in JavaScript?

• "desk"

• true

• 55

• [2, 33, 0]

Which of the following is an example of a String data type in JavaScript?

• {"age": 28}

• [2, 33, 0]

• "[e-mail]"

• true

Which of the following is an example of a Boolean data type in JavaScript?

• "desk"

• 55

• true

• [2, 33, 0]

Which of the following is an example of an Array data type in JavaScript?

• {"age": 28}

• "[e-mail]"

• [2, 33, 0]

• 55

Which of the following is an example of an Object data type in JavaScript?

• "desk"

• 55

• {"age": 28}

• [2, 33, 0]

Which of the following is a valid decimal number in JavaScript?

• 0

• 90.777

• -45

• "3"