KA Intro to JS Variables

Which of these lines of code is valid JavaScript for defining a variable?

• var noseSize = 10;
• noseSize is 10
• var noseSize == 10;
• var nose Size = 10;

Which of these is a valid variable name in JavaScript?

• 123abc
• abc123
• abc   123
• abc123!

Which of these lines show the correct way to reassign a variable to a new value?

• myFace = 10;
• 10 -> myFace;
• var myFace = 10;
• 10 = myFace;

If boxSize is a variable holding the value 20, which of these lines of code would make a 20x20 square?

• rect(10, 10, boxSize, boxSize);
• rect(boxSize, 10, 10, boxSize);
• rect(10, 10, boxSize);
• rect(10, 10, boxSize * boxSize);

If cPos is a variable holding the value 200, which of these would draw a circle with a center point of 150, 

• ellipse(cPos-50, cPos-50, 20, 20);
• ellipse(cPos+50, cPos+50, 20, 20);
• ellipse(cPos-50, 20, 20);
• ellipse(cPos-=50, cPos-=50, 20);