JavaScript Operators Flashcard

Front

Which of the following is not a valid value for a boolean? True, False, Yes, The above are all valid

Back

Yes

Front

What symbol represents the or operator in JavaScript?

Back

||

Front

What symbol represents the and operator in JavaScript?

Back

&&

Front

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

Back

true

Front

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

Back

!=

Front

What is the proper way to compare if two values are equal in a boolean expression in JavaScript? Options: =, ==, EQUALS, is

Back

==

Front

How can we check if a variable num is even? Options: num.isEven() will be true, (num % 2 == 0) will be true, (num % 2 == 0) will be false, (num / 2 == 0) will be true

Back

(num % 2 == 0) will be true

Front

What kind of statement allows us to run one block of code if one condition is true, and a separate block of code otherwise? Options: if statement, break statement, if/else statement, for loop

Back

if/else statement

Front

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

Back

if statement

Front

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

Back

5