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Chunking Arrays: Handy Utilities Every JavaScript Dev Should Know
From data pagination to batching API calls, splitting arrays into chunks is one of those timeless problems every developer solves…
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Using find and findIndex in JavaScript
Practical patterns, type-safe predicates, immutable updates, and performance traps you’ll actually hit in real projects. Introduction Grabbing “the one item…
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map, reduce, filter in JavaScript: Stop Using Loops for Everything
A practical, copy-paste guide to expressive, bug-resistant data transformations in modern JavaScript — with real-world patterns, performance notes, and when loops still win….
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Using reduce for More Than Numbers
Why JavaScript’s most misunderstood array method is secretly your Swiss Army knife for transforming data, not just adding it up. Introduction…
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20 JavaScript Array Methods Every Dev Should Master
A practical, copy-pasteable guide to the array APIs you’ll actually use in real-world JavaScript — with gotchas, time complexity, and modern immutable…
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Object Destructuring Tricks You Didn’t Know
Beyond the basics — hidden patterns, defaults, renaming, dynamic keys, and real-world destructuring hacks every JavaScript developer should master. Introduction JavaScript destructuring looks…
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Zipping Arrays in Pure JavaScript
How to pair, combine, transpose, and stream arrays — without Lodash — using clean, reusable utilities (with TypeScript, iterables, and async support). Introduction You’ve…
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Understanding Sparse Arrays and Their Quirks
Why arrays with “holes” behave weirdly, how they differ from undefined, and what every developer should know before they bite…
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Nested Destructuring in JavaScript for Cleaner Code
How to extract deeply nested values in JavaScript and TypeScript without clutter, and when to use (or avoid) it in…
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The Spread Operator with Objects: Best Practices
From cloning to merging configs, learn how to use object spread ({…obj}) in JavaScript and TypeScript without introducing subtle bugs….