javascript-functions

Question 1

Describe the parts of a function definition.

Answer 1

function keyword, function name (optional), parameters surrounded by parentheses ( ), and function code block with opening and closing curly braces { }

Question 2

Describe the parts of a function call.

Answer 2

function name and parentheses ( ) next to it; inside the parentheses is where the argument for the function parameters go

Question 3

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

Answer 3

function calls don’t need the function keyword or curly braces for the function block. Also, arguments are inputted in the parentheses ( ) for the function call instead of parameters

Question 4

What is the difference between a parameter and an argument?

Answer 4

parameter is a placeholder for the argument

Question 5

Why are function parameters useful?

Answer 5

it’s great for calling different arguments in the function

Question 6

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

Answer 6

it causes the function to produce the value and prevents any more code from running

Question 7

What is a function in JavaScript?

Answer 7

a function lets you group statements to perform a certain task