JS functions

Question 1

What is a function in JavaScript?

Answer 1

reusable set of instructions to be used in the future

Question 2

Describe the parts of a function definition.

Answer 2

function keyword, function name(optional), parameters and code block, return value (optional)

Question 3

Describe the parts of a function call.

Answer 3

function name and set of arguments inside parenthesis

Question 4

When comparing them side-by-side, what are the differences between a function call and a function definition?

Answer 4

parameters vs arguments- function calls do NOT have a code block

Question 5

What is the difference between a parameter and an argument?

Answer 5

parameters are placeholders for arguments

Question 6

Why are function parameters useful?

Answer 6

pass information

Question 7

What two effects does a return statement have on the behavior of a function?

Answer 7

stops the function entirely and gives the value of the return