Course catalog
Bring your pages to life.
JavaScript is the language that makes the web interactive — every click, animation, and live update runs on it. Start from your very first console.log and level up through variables, logic, loops, functions, and objects. By the end you'll control the DOM and ship your own interactive score counter app.
Section 1
Write your first JavaScript and master variables, types, and operators.
Section 2
Teach your programs to make decisions and repeat work with loops.
Ship a secure TypeScript app built with AI in your workflow: tested algorithms, tools kept inside safe limits, architecture choices you can explain, and releases you can check after they go out.
16 course sequence
Build and share a tested full-stack React app: a screen everyone can use, data only its owner can see, APIs with clear limits, realtime updates that stay correct, and deploys you can roll back.
14 course sequence
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Get startedSection 3
Organize logic into reusable functions and data into arrays and objects.
Section 4
Connect JavaScript to the page and build a working interactive app.