Demonstration: 1. Start with an observation
Turn a vague idea into a concrete question. The first of three sample lessons.
A COURSE IN THE NOTEBOOK
Demonstration: A small learning project
Three demonstration lessons: observe a small problem, make an example, and check the result. Each lesson is an editable post.
Explore the lessonsSTEP BY STEP
The lessons
Start at the beginning or return to a lesson. Each one has its own place in the course.
3 lessons
Demonstration: 2. Make the idea concrete
Represent the reading list with a small JavaScript example you can inspect and copy.
Demonstration: 3. Test, notice, revise
Check the boundary cases, explain what changed, and choose the next small experiment.
A NOTE FROM THE MARGIN
The internet is better when we think out loud.
A home for experiments, explanations, and personal stories: useful enough to return to, human enough to linger with.