CS1 - Final Exam Review

What symbol is used to negate a boolean in JavaScript?

• NOT
• !
• ~
• &

After the following code runs, what is the value of b?

var a = true; var b = a || false;

• true
• false
• "b"
• "a || false"

We want to print “CodeHS is the best” exactly 25 times.What control structure should we use?

• break statement
• for loop
• while loop
• if statement

A store has 20 apples in inventory.How can you store this information in a JavaScript variable?

• var numApples == 20;
• 20 = numApples;
• var numApples = 20;
• var num apples = 20;

We want to flip a coin until we get 3 heads in a row.What kind of loop should we use?

• for loop
• while loop
• loop and a half
• infinite loop

Why do we write functions?

• Make our code easier to understand 
• Avoid writing repeated code
• Make our code reusable
• All of these

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

Which statement allows us to return values from functions?

• break
• return
• if
• println

What surrounds a string?

• Quotations
• Curly Brackets
• Parenthesis
• Square Brackets

To display writing on the screen you must include this direction;

• Document Write
• documentWrite
• document.write( )
  
• document.write