Use JavaScript to Find the Week Day from a Date
Find the weekday from a JavaScript date with Date, UTC alternatives, modulo arithmetic, parsing caveats, daylight saving time, and readable day names.
Articles
Development, page 10 of 25
Development is the broadest category in my writing, so it works as the main archive rather than a narrow subject label. It brings together implementation notes and technical decisions, with delivery lessons from across the rest of the site.
Use JavaScript to Find the Week Day from a Date. 
Understanding Object Types with JavaScript's instanceof. Understanding Object Types with JavaScript's
instanceofUncover the differences between JavaScript's `instanceof` and `typeof` for type checking, with practical examples and insights on when to use each operator.
Implementing Authentication in Next.js Using NextAuth.js. Implementing Authentication in Next.js Using NextAuth.js
A practical guide to implementing authentication in Next.js with NextAuth.js, including sessions, callbacks, route protection, and router‑specific trade‑offs.
Understanding Transient Props in styled‑components. Understanding Transient Props in
styled‑componentsUse transient props in styled‑components to keep styling‑only props out of the DOM, clean React output, and support safer component migration work.
Reduce() in JavaScript. reduce()in JavaScriptUnderstand JavaScript reduce() with accumulator patterns, initial values, practical examples, readability trade‑offs, and when reduce() genuinely helps.
Creating Progressive Web Apps (PWAs) with Angular. Creating Progressive Web Apps (PWAs) with Angular
How to build a Progressive Web App with Angular, including service workers, caching, offline behaviour, installs, and the trade‑offs behind the defaults.
Pure Functions in JavaScript. Pure Functions in JavaScript
Pure functions make JavaScript easier to test, reason about, and reuse. This guide explains what purity means and why it matters in everyday code.
Understanding the Composition API in Vue 3. Understanding the Composition API in Vue 3
The Vue 3 Composition API explained with practical TypeScript examples, refs, composables, reactivity, and when the pattern genuinely helps larger components.
Testing the Content of JSX Data in Cypress. Testing the Content of JSX Data in Cypress
Test JSX‑driven content in Cypress by comparing rendered output, extracting text, handling order, avoiding brittle assumptions, and respecting performance.
Angular Change Detection: How It Works and How to Optimise It. Angular Change Detection: How It Works and How to Optimise It
Angular change detection explained through zone triggers, OnPush, signals, template cost, manual checks, and practical rendering optimisation at scale.
How View Source Stopped Being Enough. How View Source Stopped Being Enough
Why view source stopped being enough for modern web checks, and how rendered HTML, hydration, metadata, schema, crawl paths, and client output changed audits.
Validating Parentheses Input Using TypeScript. Validating Parentheses Input Using TypeScript
Validate parentheses input in TypeScript with a stack, checking bracket order, matching pairs, real parser‑style use cases, and alternative approaches.
Leveraging .then() in Modern JavaScript. Leveraging
.then()in Modern JavaScript.then() still matters in modern JavaScript. This guide explains promise chaining, return values, and why Promise.prototype.then() remains useful.
Stopping Propagation vs. Preventing Default in JavaScript. Stopping Propagation vs. Preventing Default in JavaScript
Understanding `stopPropagation` and `preventDefault` is key to handling events in JavaScript. Here, I explore their differences and when to use each.
Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript. Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript
An exploration of solutions to the 'Letter Combinations of Phone Number' problem using front‑end and TypeScript: recursion, backtracking, and iteration.
Introducing Seeded Randomisation into an SSR Gatsby Project. Introducing Seeded Randomisation into an SSR Gatsby Project
Add seeded randomisation to an SSR Gatsby project, keeping content order deterministic across builds whilst still rotating destination‑style content.
LeetCode: Converting Roman Numerals to Integers. LeetCode: Converting Roman Numerals to Integers
Convert Roman numerals to integers in JavaScript, covering subtractive notation, invalid input caveats, and a clear TypeScript implementation.
LeetCode: Converting Integers to Roman Numerals. LeetCode: Converting Integers to Roman Numerals
Convert integers to Roman numerals in JavaScript, covering symbol rules, greedy matching, edge cases, and a clear TypeScript implementation.