
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.
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Amejimaobari Ollornwi·July 21, 2025Frontend 
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.

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.

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.
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Amejimaobari Ollornwi·August 26, 2024Frontend