WEEK01
PHASE 00 · Computer + terminal
Files are the first database
a versioned, diffable field notebook0/7COMPLETE
REFORGING
FULL YEAR · 364 SESSIONS
Build the
whole stack.
0LESSONS COMPLETE
0% of year reforged
WEEK02
PHASE 00 · Computer + terminal
Processes, streams, and the shell
a resilient shell pipeline with failure reporting0/7COMPLETE
WEEK03
PHASE 00 · Computer + terminal
The network beneath the URL
an annotated request trace from DNS to response bytes0/7COMPLETE
WEEK04
PHASE 00 · Computer + terminal
Git as a content-addressed database
a disposable Git recovery laboratory0/7COMPLETE
WEEK05
PHASE 01 · HTTP + hypermedia
HTTP is the application protocol
an annotated raw HTTP field guide0/7COMPLETE
WEEK06
PHASE 01 · HTTP + hypermedia
Caching, identity, and trust
a caching laboratory with evidence0/7COMPLETE
WEEK07
PHASE 01 · HTTP + hypermedia
Hypermedia controls state
a server-rendered hypermedia workflow0/7COMPLETE
WEEK08
PHASE 01 · HTTP + hypermedia
Earn HTMX by comparison
a four-implementation hypermedia comparison0/7COMPLETE
WEEK09
PHASE 02 · HTML to the frontier
From bytes to a document
a semantic, inspectable handbook document0/7COMPLETE
WEEK10
PHASE 02 · HTML to the frontier
Forms are state machines
a useful zero-JavaScript study workflow0/7COMPLETE
WEEK11
PHASE 02 · HTML to the frontier
Native interaction frontier
a multi-state handbook interface with no script0/7COMPLETE
WEEK12
PHASE 03 · CSS to the frontier
The cascade is an algorithm
a layered CSS design system with cascade tests0/7COMPLETE
WEEK13
PHASE 03 · CSS to the frontier
Layout follows constraints
a framework-free responsive handbook shell0/7COMPLETE
WEEK14
PHASE 03 · CSS to the frontier
Responsive by intrinsic design
an intrinsically responsive lesson card system0/7COMPLETE
WEEK15
PHASE 03 · CSS to the frontier
CSS interaction and rendering
a classified CSS capability-frontier gallery0/7COMPLETE
WEEK16
PHASE 04 · JavaScript foundations
Values, types, and coercion
an executable coercion field guide0/7COMPLETE
WEEK17
PHASE 04 · JavaScript foundations
Objects are property systems
an interactive object descriptor explorer0/7COMPLETE
WEEK18
PHASE 04 · JavaScript foundations
Functions carry environments
a dependency-free functional utility bench0/7COMPLETE
WEEK19
PHASE 04 · JavaScript foundations
Binding this deliberately
a call-site binding visualizer0/7COMPLETE
WEEK20
PHASE 04 · JavaScript foundations
Prototype lookup and construction
a prototype chain and construction laboratory0/7COMPLETE
WEEK21
PHASE 04 · JavaScript foundations
Iteration as protocol
a lazy iterable toolkit0/7COMPLETE
WEEK22
PHASE 04 · JavaScript foundations
Metaprogramming without magic
a transparent object instrumentation lab0/7COMPLETE
WEEK23
PHASE 04 · JavaScript foundations
JavaScript foundations rebuild
a blank-directory JavaScript foundations capstone0/7COMPLETE
WEEK24
PHASE 05 · Async + runtime
The event loop in time
an event-loop prediction and trace laboratory0/7COMPLETE
WEEK25
PHASE 05 · Async + runtime
Promises are state machines
a minimal Promise implementation with traces0/7COMPLETE
WEEK26
PHASE 05 · Async + runtime
Cancellation, streams, backpressure
a cancellable streaming text processor0/7COMPLETE
WEEK27
PHASE 05 · Async + runtime
Async runtime rebuild
an observable task runner with cancellation0/7COMPLETE
WEEK28
PHASE 06 · Browser platform
DOM events and ownership
an event propagation and delegation lab0/7COMPLETE
WEEK29
PHASE 06 · Browser platform
Observe without polling
an observer-driven reading progress system0/7COMPLETE
WEEK30
PHASE 06 · Browser platform
Local data and portable files
a portable local-first annotation notebook0/7COMPLETE
WEEK31
PHASE 06 · Browser platform
Workers and overlooked powers
an offline-capable worker experiment0/7COMPLETE
WEEK32
PHASE 07 · TypeScript
Inference and narrowing
a type-safe state machine with runtime validation0/7COMPLETE
WEEK33
PHASE 07 · TypeScript
Generics express relationships
a small generic data transformation library0/7COMPLETE
WEEK34
PHASE 07 · TypeScript
Types compute
a type-level utility laboratory with boundaries0/7COMPLETE
WEEK35
PHASE 07 · TypeScript
The erased boundary
a documented JavaScript/TypeScript/runtime boundary0/7COMPLETE
WEEK36
PHASE 08 · Node + backend
Node is a host runtime
an observable Node command-line program0/7COMPLETE
WEEK37
PHASE 08 · Node + backend
Files, streams, and HTTP
a one-process Node and SQLite handbook server0/7COMPLETE
WEEK38
PHASE 08 · Node + backend
One process under load
a measured one-process capacity report0/7COMPLETE
WEEK39
PHASE 09 · WASM + browser SQLite
WebAssembly as a boundary
a JS/WASM boundary benchmark0/7COMPLETE
WEEK40
PHASE 09 · WASM + browser SQLite
SQLite inside the browser
an in-browser relational handbook index0/7COMPLETE
WEEK41
PHASE 09 · WASM + browser SQLite
Persistent browser database
a portable SQLite/OPFS notebook experiment0/7COMPLETE
WEEK42
PHASE 10 · Graphics, media + audio
Vectors, pixels, and scenes
a comparative SVG and Canvas visualizer0/7COMPLETE
WEEK43
PHASE 10 · Graphics, media + audio
Audio and media pipelines
a keyboard-controlled browser synthesizer0/7COMPLETE
WEEK44
PHASE 10 · Graphics, media + audio
GPU and real-time frontiers
a measured real-time graphics/media experiment0/7COMPLETE
WEEK45
PHASE 11 · Performance, security + accessibility
Performance without mythology
a performance budget backed by traces0/7COMPLETE
WEEK46
PHASE 11 · Performance, security + accessibility
Memory has owners
a controlled memory-leak investigation0/7COMPLETE
WEEK47
PHASE 11 · Performance, security + accessibility
Security follows trust boundaries
a safe attack-and-defense laboratory0/7COMPLETE
WEEK48
PHASE 11 · Performance, security + accessibility
Accessibility is interface correctness
an accessibility hardening report0/7COMPLETE
WEEK49
PHASE 12 · System design + capstone
How far can one machine go?
a measured one-machine system design0/7COMPLETE
WEEK50
PHASE 12 · System design + capstone
Earn caches, jobs, and queues
an evolutionary architecture decision log0/7COMPLETE
WEEK51
PHASE 12 · System design + capstone
Distributed systems without cargo cult
a bottleneck-led distributed design0/7COMPLETE
WEEK52
PHASE 12 · System design + capstone
Capstone: rebuild and teach
a blank-directory handbook capstone with full rationale0/7COMPLETE