Page 9 - JavaScript

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Vite vs. Webpack vs. Rollup 2026: Which Bundler for Which Project?

Maxim Mironjuk - October 17, 2025

Vite revolutionizes the dev server with native ESM, Webpack remains the heavyweight for complex enterprise setups, and Rollup produces the cleanest library bundles. Pick the wrong bundler and you lose development speed, build performance, or bundle quality: this comparison shows which tool is the right choice for which scenario in 2026.

JavaScript

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Floating Point Precision in JavaScript: 0.1 + 0.2 ≠ 0.3

Maxim Mironjuk - October 16, 2025

The console prints 0.30000000000000004, a price comparison fails, a sum of invoice line items is off by one cent. Floating point precision is not a JavaScript quirk, it is a consequence of IEEE 754, but it hits JavaScript developers especially often because the language only has a single number type. This article explains the cause and shows robust fixes.

JavaScript Web Performance

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Find and Fix JavaScript Memory Leaks with Chrome DevTools

Maxim Mironjuk - October 14, 2025

Memory leaks in JavaScript applications are invisible, until the browser crashes or the page noticeably slows down after a few minutes. Heap snapshots, allocation timelines and the retainer graph in Chrome DevTools make invisible memory leaks visible, locatable and fixable.

JavaScript Web Performance

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Iterator Helpers: map(), filter(), take() Directly on Iterators

Maxim Mironjuk - October 13, 2025

map(), filter(), take(), drop() and reduce() now exist directly on iterators, with lazy evaluation instead of full materialization into an array.

JavaScript

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JavaScript Clipboard API: Copy & Paste Without execCommand

Maxim Mironjuk - October 13, 2025

execCommand('copy') was a hack that is now marked deprecated in modern browsers. The Clipboard API delivers a clean, Promise-based interface for reading and writing the clipboard, including image and rich text support plus a built-in permission model.

JavaScript React

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React Native Fundamentals for Web Developers

Maxim Mironjuk - October 10, 2025

Anyone who has mastered React in the browser already carries the core knowledge for React Native: components, hooks and state work identically. What changes are the building blocks for the interface, the styling model and the way native functionality such as camera or push notifications gets attached. This article shows the direct transition with concrete code.

JavaScript TypeScript

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Configuring ESLint for TypeScript Correctly

Maxim Mironjuk - October 10, 2025

A misconfigured ESLint setup either misses real type errors or slows down every commit with unnecessarily slow type-aware rules. With modern flat config, the typescript-eslint package, and a clear split between fast syntax linting and full type-checking, both goals are achievable at once: reliable error detection and a development workflow that stays fast.

JavaScript Web Performance

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Atomics.waitAsync(): Non-Blocking Synchronization Between Web Workers

Maxim Mironjuk - October 04, 2025

Multiple web workers sharing the same SharedArrayBuffer need a way to wait on each other without constantly polling in a loop. Atomics.wait() provides exactly that, but blocks the entire thread and is therefore forbidden on the main thread. Atomics.waitAsync() solves the same problem non-blockingly, working even where blocking simply isn't an option.

JavaScript Web Performance

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Code Splitting Strategies Beyond the Basics

Maxim Mironjuk - October 04, 2025

Route splitting is the standard entry point, but the noticeable improvement often sits one level deeper. Component level splits, deliberate vendor chunking and preload hints together decide whether code splitting merely looks good in the bundle report or actually shortens load time for users.

JavaScript Vue.js

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Touch Gestures in Vue Apps: Implementing Swipe, Drag, and Pinch

Maxim Mironjuk - September 25, 2025

Touch gestures in Vue apps rarely fail on the core idea, but on details such as scroll conflicts, missing passive event configuration, and janky animations under load. With pointer events, VueUse composables, and a clean separation between recognition and reaction, swipe to delete, drag and drop, and pinch to zoom can be built robustly and performantly.