Unit3 JavaScript Basics Quiz

What is the proper function to call to print to the screen?

• write
• console.log
• print
• log
• console.print

What keyword do you need to use to define a variable in JavaScript?

• variable
• let
• int
• x
• var

What function do you need to call to ask the user of the program to enter text?

• readLine
• readln
• text
• console.log
• None of the above

To ask the user of the program for a number, which function should you use?

• readLine
• readInt
• readFloat
• Both readInt and readFloat are for numbers.
• None of the above

What will the following code print to the screen? console.log(2 + 2);

• 2 + 2
• 4
• 22
• Nothing
• None of the above

What symbol do you use to do division in JavaScript?

• %
• /
• //
• *
• None of the above

What symbol do you use to do multiplication in JavaScript?

• x
• X
• *
• #
• None of the above

What is the role of the driver in a pair-programming setting?

• They keep track of the big picture
• They tell the navigator what to do
• They control the mouse and keyboard
• They alert the navigator of typos and errors
• None of the above

Which of the following is NOT a benefit of pair-programming?

• Code takes 15% less time to write than with a solo programmer.
• Programs have fewer bugs than if written by a single programmer.
• Code solutions are more creative.
• Bias in programs is reduced.
• None of the above

Which of the following returns a random number between 1 and 10?

• randomInt(1, 10)
• randInt(1, 10)
• Randomizer.int(1, 10)
• Randomizer.nextInt(1, 10)
• None of the above