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Fifty imported Under The Hood essays on frontend, browser behavior, JavaScript internals, and AI engineering. More coming through the pipeline.

Why 0.1 + 0.2 !== 0.3 (And What To Do About It)

March 20, 2026

JavaScript Has 9 Ways to Check Equality (And They All Disagree)

March 18, 2026

JavaScript Has Two Zeros (And One is Negative?)

March 16, 2026

$0 and Friends: The DevTools Shortcuts You’re Missing

March 13, 2026

Stop Installing Form Libraries. The Browser Can Do This.

March 11, 2026

The inert Attribute: Stop Writing Focus Trap JavaScript

March 9, 2026

Stencil is the Framework Nobody Uses (But Maybe Should)

March 6, 2026

JavaScript Finally Fixed Dates (And It Only Took 30 Years)

March 4, 2026

Micro Frontends Failed Because Web Components Failed

March 2, 2026

What Happens During a Browser Tab Crash

February 26, 2026

How Browsers Store and Manage Variables in Memory

February 24, 2026

Z-Index Isn't a Number, It's a Context

February 19, 2026