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Back to foundations

Lesson 9

Functions

18 stages

1

What is a Function?

Read
2

Write Your First Function

Exercise
3

Parameters, Arguments, and Return Values

Read
4

Return a Value

Exercise
5

Trace Function Calls

Exercise
6

Return Values Check

Quiz
7

Function Expressions and Arrow Functions

Read
8

Convert to an Arrow Function

Exercise
9

Default and Rest Parameters

Read
10

Default and Rest Parameters

Exercise
11

Functions as Values

Read
12

Pass a Function as an Argument

Exercise
13

Scope and Hoisting

Read
14

Fix the Scope Bug

Exercise
15

Build a User Badge

Exercise
16

Predict Return Values

Exercise
17

Debug Callback Usage

Exercise
18

Functions Quiz

Quiz

Next step

Move forward when you're ready.

Continue with Arrays.

Next lesson