KA JS Loops

Which of these is not a type of loop in JavaScript?

• while
• for
• repeat

Which of these expressions is NOT a valid way to add 1 to a variable in JavaScript?

• x++
• x += 1
• x = x + 1
• x+

Let's say you have an x variable that starts as 0. If you want your while loop to stop once the x variable equals 400, what condition would you use?

• x < 400
• x > 400
• x == 400
• x >= 400

Let's say you want to repeat a shape 20 times. Which for loop would help you code that?

• for (var i = 1; i < 20; i++) { } 
• for (var i = 0; i <= 20; i++) { } 
• for (var i = 0; i < 20; i++) { } 
• for (var i = 0; i > 20; i++) { } 

Let's say you want to repeat a shape horizontally across the 400x400 canvas, with 40 pixels between each shape. Which for loop would help you code that?

• for (var x = 0; x > 400; x += 40) { } 
• for (var x = 0; x < 400; x += 40) { } 
• for (var x = 0; x < 400; x++) { } 
• for (var x = 0; x > 400; x++) { }