
3Sum in JavaScript: Two Pointers After Sorting
Solve the 3Sum problem in JavaScript with sorting, two pointers, duplicate skipping, Jest coverage, edge cases, and a clear TypeScript implementation.
Articles from more than two decades of building, rebuilding, debugging and leading web projects.

Solve the 3Sum problem in JavaScript with sorting, two pointers, duplicate skipping, Jest coverage, edge cases, and a clear TypeScript implementation.

typeof Operator: Uses and LimitationsExplore the usage and limitations of JavaScript's `typeof` operator, understand its quirks, and learn when and how to use it effectively in your code.

Will AI replace front‑end developers? This article separates routine automation from judgement, accessibility, browser knowledge, product context, and UX.

I am not a fan of carousels, although I have built many in my career. Here, I discuss why they hinder UX and SEO, and explore alternatives for engaging content.

Falsy and nullish values are not the same in JavaScript. This guide clears up the difference and shows why 0 and empty strings often trip people up.

parseInt in JavaScript: The Significance of RadixParseInt() can give surprising results if you ignore radix. This guide explains why the second argument matters and when Number() is a better fit.

Solve Longest Substring Without Repeating Characters in JavaScript with a sliding window, unique‑character tracking, and substring return variants.

A simple solution to solve the Valid Palindrome problem in JavaScript using the two‑pointer approach in ES6 and TypeScript, checking alphanumeric characters.

Run build‑time SEO checks in Gatsby across routes, metadata, canonicals, headings, sitemaps, schema, redirects, CMS content gaps, and release confidence.

Function.prototype.bind()Explore JavaScript's `Function.prototype.bind()` method to master function contexts and argument handling, enhancing your code's flexibility and reliability.

When it comes to text‑based sitemaps in Gatsby, gatsby‑plugin‑sitemap falls short. Fortunately, it is straightforward to implement using Node.js and GraphQL.

defineProperty()Unlock the capabilities of JavaScript's `Object.defineProperty()` for precise property control on objects, enhancing security and data integrity in your code.

Unravelling the origins of 'atoi': from its C‑language roots as an ASCII‑to‑integer converter to its widespread recognition in modern programming contexts.

slice() vs. splice()Compare JavaScript slice() and splice(), including copying versus mutation, return values, array edits, common confusion, and safer manipulation patterns.

??) Operator in JavaScriptUnderstand JavaScript's nullish coalescing operator, comparing ?? with ||, preserving valid falsy values, and writing cleaner default fallbacks safely.

setTimeout() in JavaScriptAn exploration of JavaScript's `setTimeout` function. Understand its nuances in component lifecycles, and learn effective timing strategies using it.

An exploration of the Zigzag Conversion problem: solve using string manipulation in web development, from iterative approaches to direct mathematical solutions.

Accessibility issues often creep in through ordinary front‑end habits. This article covers common mistakes and the fixes that make sites easier to use.

Sort arrays of objects in JavaScript with comparator functions, numeric and string properties, return values, case sensitivity, and deeper sorting notes.

There are essentially two different types of commenting in development languages: single‑line, and multi‑line. Here, we discuss these, and how to use them.

An article describing how to count function arguments in JavaScript. Use 'rest' parameters in ES6 or the 'arguments' object for older JavaScript environments.