JavaScript for Beginners

Learn JavaScript from zero, right on your phone: variables, decisions, functions, lists and objects, with real code that runs in every ten-minute lesson.

by Teyro

50 lessons
5 units
8h 56m
Up to 850 XP

I wrote this one myself. Start now and I'll count your streak from lesson one.

What you'll learn

Write and run JavaScript from your very first lesson
Store values in variables and build text with template literals
Make decisions with if, else, && and ||
Package rules into functions that return answers
Work through lists with arrays and loops
Describe real things with objects, filter and map

Course path

5 units · 50 lessons

Hello, console10 min · InteractiveFree+10 XP
Numbers that do maths10 min · InteractiveFree+10 XP
Boxes with names10 min · InteractiveFree+10 XP
Text that fills itself in10 min · InteractiveFree+10 XP
Checkpoint: the price board12 min · InteractiveFree+20 XP
Changing values10 min · InteractiveFree+10 XP
Numbers vs text10 min · InteractiveFree+10 XP
Reading error messages10 min · InteractiveFree+10 XP
Names and notes10 min · InteractiveFree+10 XP
Unit Challenge: the family-of-four total14 min · InteractiveFree+20 XP
Unit 1 chestFinish every lesson in this unit+50 XP

True or false10 min · Interactive
if10 min · Interactive
else and else if10 min · Interactive
&& and ||10 min · Interactive
Checkpoint: the ticket window rush12 min · Interactive
! and true/false names10 min · Interactive
=== not ==10 min · Interactive
The short if10 min · Interactive
Empty means false10 min · Interactive
Unit Challenge: the ticket window rules14 min · Interactive
Unit 2 chestFinish every lesson in this unit+50 XP

Teyro Original · Chapter 1 free, then Teyro Pro

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