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Learn programming by doing

Short lessons, real code, and instant checks. Pick a language and write your first line in under a minute.

JavaScript

From your first value to a tested learning dashboard.

Build useful programs from clear, readable foundations.

Create meaningful, accessible pages that fit every screen.

Go from your first SELECT to a multi-table activity report.

Navigate, automate, and troubleshoot like a sysadmin.

Understand how devices find and talk to each other.