JavaScript Operators Quiz

Which of the following is not a valid value for a boolean?

• True

• False

• Yes

• The above are all valid

What symbol represents the or operator in JavaScript?

• OR

• or

• |

• ||

What symbol represents the and operator in JavaScript?

• AND

• and

• &

• &&

After the following code runs, what is the value of isWeekend? var isSaturday = true; var isSunday = false; var isWeekend = isSaturday || isSunday;

• true

• false

• isWeekend

• isSaturday || isSunday

What is the proper operator for "not equals" in JavaScript?

• !=!

• !=, ~=, NOT EQUALS

What is the proper way to compare if two values are equal in a boolean expression in JavaScript?

• =

• ==

• EQUALS

• is

How can we check if a variable num is even?

• num.isEven() will be true

• (num % 2 == 0) will be true

• (num % 2 == 0) will be false

• (num / 2 == 0) will be true

What kind of statement allows us to run one block of code if one condition is true, and a separate block of code otherwise?

• if statement

• break statement

• if/else statement

• for loop

What kind of statement allows us to run a block code only if a certain condition is true?

• if statement

• break statement

• else statement

• for loop

How many times will the following program print "hello"?

• 4

• 5