Unit 7 Function and Parameters in Javascript CodeHS

Why do we write functions?

• Make our code easier to understand by giving a readable name to a group of instructions

• Avoid writing repeated code

• Make our code reusable

• All of the above

In the following function printThreeTimes:

What is the parameter of the function?

• printThreeTimes

• function

• console.log

• num

What is the output of the following program?

• A) 5 and 15

• B) 6 and 3

• C) 3 and 3

• D) none, there is a syntax error

Programmers use comments to (select all that apply):

• help with debugging issues in code

• document how code was written for other programmers to use

• Make the program harder to understand

• Change the way the program runs

What is printed by the following program?

• A) 2 1 0

• B) 0 1 2

• C) zero one two

• D) two one zero

How many parameters are passed to the function `sum`, and how many values are returned from the function `sum`?

• 3 parameters go in, 1 return value comes out

• 3 parameters go in, 3 return values come out

• 1 parameter goes in, 4 return values come out

• 1 parameter goes in, 1 return value comes out

Which of the following functions is the correct implementation of `isSuperman`?

• 
• 
• 
• 

What are the names of the parameters?

• length and width

• length and height

• base and height

• base and width

What is printed by the following program?

• 7

• -7

• 13

• -13

What is the minimum number of parameters that must be given when calling the ‘drawCircle’ function?

• Four

• Three

• Two

• One