Handling API Routes in Next.js: When to Use Server Actions vs. API Routes
Next.js gives us two ways to handle back‑end logic: API Routes and Server Actions. Here, I clearly explain when to choose each approach for the best results.
Articles
ES6
ES6 (also known as ECMAScript 2015), was the sixth edition of the ECMAScript specification. It introduced a lot of improvements and new features to the JavaScript language (such as arrow functions, promises, classes, and template literals).
Below you will find a subset of articles from my blog specifically about ES6. This is an area that I have worked with for many years, and have managed to write about quite a few times. There are forty‑two collected together for you below.
Handling API Routes in Next.js: When to Use Server Actions vs. API Routes. 
Practical Use Cases for JavaScript Set and Map. Practical Use Cases for JavaScript
SetandMapJavaScript's `Set` and `Map` simplify common tasks like managing unique values or key‑value pairs. Here, I'll share practical examples for everyday development.
Understanding Tail call Optimisation in JavaScript. Understanding Tail call Optimisation in JavaScript
Tail call optimisation in JavaScript, why it matters conceptually, and why patchy engine support still makes it unreliable for production recursion.
Understanding WeakMap and WeakSet in JavaScript. Understanding
WeakMapandWeakSetin JavaScriptUnderstand WeakMap and WeakSet in JavaScript, including weak references, metadata storage, private data patterns, memory behaviour, and Map or Set differences.
Why Next.js Middleware Might Be Unavailable with Pages Router. Why Next.js Middleware Might Be Unavailable with Pages Router
Finding the Difference Between Two Strings in JavaScript. Finding the Difference Between Two Strings in JavaScript
An exploration of techniques I used to to find differences between two strings in JavaScript; from character‑by‑character comparison to substring analysis.
Track Element Visibility Using Intersection Observer. Track Element Visibility Using Intersection Observer
A look into how we can use the Intersection Observer API in JavaScript to efficiently track element visibility and how it outperforms historical alternatives.
Staying Current: Automating Copyright Year Updates. Staying Current: Automating Copyright Year Updates
Automate copyright year updates across JavaScript, React, Angular, Vue, jQuery, PHP, and WordPress so footers do not go stale each January across stacks.
3Sum in JavaScript: Two Pointers After Sorting. 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.
Differences Between Falsy and Nullish Values in JavaScript. Differences Between Falsy and Nullish Values in JavaScript
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.
Longest Substring Without Repeating Characters in JavaScript. Longest Substring Without Repeating Characters in JavaScript
Solve Longest Substring Without Repeating Characters in JavaScript with a sliding window, unique‑character tracking, and substring return variants.
Valid Palindrome in JavaScript: Two Pointers and Normalisation. Valid Palindrome in JavaScript: Two Pointers and Normalisation
A simple solution to solve the Valid Palindrome problem in JavaScript using the two‑pointer approach in ES6 and TypeScript, checking alphanumeric characters.
Using the filter() Method in JavaScript. Using the
filter()Method in JavaScriptUse JavaScript filter() to create arrays of matching items, with callback syntax, object filtering examples, readable predicates, and practical tips.
Solving the LeetCode Two Sum Problem Using JavaScript. Solving the LeetCode Two Sum Problem Using JavaScript
Solve the Two Sum problem efficiently in JavaScript with Hash Map or Two Pointers. Learn how to find pairs of numbers that sum up to a given target.
Unravelling JavaScript: Commonly Misunderstood Methods and Features. Unravelling JavaScript: Commonly Misunderstood Methods and Features
A tour of commonly misunderstood JavaScript features, from sort(), slice(), splice(), split(), Math.random(), parseInt(), isNaN(), typeof, and more.
Throttling Scroll Events in JavaScript. Throttling Scroll Events in JavaScript
Care needs to be taken when using the onScroll event; it can trigger frequently, leading to greater client‑side resource (CPU) usage, and a laggy interface.
How to Handle Multiple Named Exports in One JavaScript File. How to Handle Multiple Named Exports in One JavaScript File
A simple explanation about how to handle multiple named exports from a single JavaScript file; an essential piece of knowledge when developing modern websites.
How to Import All Named Exports from a JavaScript File. How to Import All Named Exports from a JavaScript File
When export and import was introduced as part of ES6, things changed for the better in JavaScript development. It still causes confusion though. Let me explain.