Ughur Naghiyev / Field notes

Web Development Blog

Notes on interface craft, React performance, routing, motion, and shipping sharper web experiences.

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Why I Reach for Map Over Object in JavaScript

Plain objects have prototype quirks and limited key types. Map handles dynamic collections more cleanly and eliminates a whole class of bugs.

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productivity

April 20242 min read

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The Art of Reading Someone Else's Code

You spend more time reading code than writing it. Here is how I approach an unfamiliar codebase without drowning in details.

nodejs

January 20242 min read

Cover image for What I Learned Debugging a Node.js Memory Leak

What I Learned Debugging a Node.js Memory Leak

A service was crashing every three days with memory climbing to 1.5 GB. The leak turned out to be in a trusted dependency, not our own code.

css

August 20222 min read

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CSS Container Queries Are Finally Here

Container queries let you style elements based on their parent size instead of the viewport. After years of waiting, they are finally ready for production.

javascript

March 20223 min read

Cover image for Why Event Delegation Makes JavaScript Faster

Why Event Delegation Makes JavaScript Faster

Attaching hundreds of event listeners slows the browser down. Event delegation lets you handle all of them with one listener, reducing memory use and simplifying your code.