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Amejimaobari Ollornwi

4 articles by Amejimaobari Ollornwi.

Frontend — Handling JavaScript Event Listeners With Parameters — Smashing Magazine

Handling JavaScript Event Listeners With Parameters — Smashing Magazine

Event listeners are essential for interactivity in JavaScript, but they can quietly cause memory leaks if not removed properly. And what if your event listener needs parameters? That’s where things get interesting. Amejimaobari Ollornwi shares which JavaScript features make handling parameters with event handlers both possible and well-supported.

AOAmejimaobari OllornwiAmejimaobari Ollornwi·July 21, 2025Frontend
Design & UX — Building An Offline-Friendly Image Upload System — Smashing Magazine

Building An Offline-Friendly Image Upload System — Smashing Magazine

Poor internet connectivity doesn’t have to mean poor UX. With PWA technologies like `IndexedDB`, service workers, and the Background Sync API, you can build an offline-friendly image upload system that queues uploads and retries them automatically — so your users can upload stress-free, even when offline.

AOAmejimaobari OllornwiAmejimaobari Ollornwi·April 23, 2025Design & UX
Design & UX — Creating An Effective Multistep Form For Better User Experience — Smashing Magazine

Creating An Effective Multistep Form For Better User Experience — Smashing Magazine

Forms are already notoriously tough to customize and style — to the extent that we’re already starting to see new ideas for more flexible control. But what we don’t often discuss is designing good-form experiences beyond validation. That’s what Jima Victor discusses in this article, focusing specifically on creating multi-step forms that involve navigation between sections.

AOAmejimaobari OllornwiAmejimaobari Ollornwi·December 3, 2024Design & UX
Frontend — Generating Unique Random Numbers In JavaScript Using Sets — Smashing Magazine

Generating Unique Random Numbers In JavaScript Using Sets — Smashing Magazine

Want to create more randomized effects in your JavaScript code? The `Math.random()` method alone, with its limitations, won’t cut it for generating unique random numbers. Amejimaobari Ollornwi explains how to generate a series of unique random numbers using the `Set` object, how to use these random numbers as indexes for arrays, and explores some practical applications of randomization.

AOAmejimaobari OllornwiAmejimaobari Ollornwi·August 26, 2024Frontend