Toggle a Boolean in JavaScript
A brief explanation of how to toggle a variable in JavaScript by inverting its value. Learn how to switch a variable from true to false and vice versa.
Articles
Front‑End Development, page 17 of 25
Front‑end development is where product intent becomes the interface people actually use. My writing approaches it as engineering rather than surface decoration, with attention to browser behaviour and code that remains accessible, fast, and safe for a team to change.
Toggle a Boolean in JavaScript. 
Dynamic Routes in Next.js. Dynamic Routes in Next.js
Dynamic routes in Next.js explained with
[slug]pages, route params, nested segments, and why file‑based dynamic routing simplifies content‑driven sites.
JavaScript’s Math.random(). JavaScript's
Math.random()JavaScript Math.random() explained beyond the basics, including pseudo‑random generation, browser history, ranges, array indexes, and randomness limits.
Shopify Theme Constraints with Liquid. Shopify Theme Constraints with Liquid
How Shopify Liquid theme constraints affect products, sections, apps, checkout, SEO, performance and the decision to stay theme‑based or go headless.
useRef in React. useRefin ReactUse useRef in React for DOM access, focus management, mutable values, previous values, integration work, and cases where refs should not replace state.
Using Liquid Templates in E‑Commerce Front Ends. Using Liquid Templates in E‑Commerce Front Ends
How Liquid templates shape e‑commerce front‑end work, including products, collections, snippets, theme constraints, content, and safe customisation.
Exploring the Liquid Templating Language. Exploring the Liquid Templating Language
Liquid is a small templating language with a lot of reach. This article explores its syntax, control flow, and why it shows up in so many CMS tools.
React Hooks: Modern State Management. React Hooks: Modern State Management
React Hooks, introduced in React 16.8, bring state and lifecycle features to functional components. Here, I explore how they work and why they matter.
Why forEach Does Not Wait for async Callbacks. Why
forEachDoes Not Wait forasyncCallbacksSee why forEach() ignores promises returned by async callbacks, then choose sequential for...of or concurrent Promise.all() with clear failure handling.
Checking Rendered HTML for JavaScript Pages. Checking Rendered HTML for JavaScript Pages
Check rendered HTML for JavaScript pages by comparing source and DOM output across metadata, headings, links, schema, content, hydration, and crawlability.
Class vs. Functional Components in React. Class vs. Functional Components in React
Class and functional components are key to React development. In this article I explore differences, advantages, and when to use each in modern React apps.
Client‑Side Rendering and Search Visibility. Client‑Side Rendering and Search Visibility
How client‑side rendering can affect search visibility, and what to check around content, links, metadata, routing, loading states, and fallbacks.
Custom _app and Custom _document in Next.js. Custom
_appand Custom_documentin Next.jsCustom
_appand_documentin the Next.js Pages Router: shared layout, application setup and server‑rendered HTML, with historical Next.js 8 examples.
The JavaScript Event Loop: A Beginner’s Guide. The JavaScript Event Loop: A Beginner's Guide
The JavaScript event loop manages asynchronous tasks in a single‑threaded environment. I explore how it works with the call stack, task queue, and microtasks.
Creating Interactive User Interfaces with HTML, CSS, and JavaScript. Creating Interactive User Interfaces with HTML, CSS, and JavaScript
Create interactive interfaces with HTML, CSS and JavaScript, using semantic controls, accessible state, event handling, and progressive enhancement.
Simplify Asynchronous JavaScript with async/await. Simplify Asynchronous JavaScript with
async/awaitUse async and await to simplify asynchronous JavaScript, with promise comparisons, error handling, readable control flow, and common pitfalls in real apps.
How to Prevent Race Conditions in JavaScript with AbortController. How to Prevent Race Conditions in JavaScript with
AbortControllerHow to prevent race conditions in JavaScript with
AbortController, including stale search results, request cancellation, and browser support caveats.
Using next/link for Client‑Side Navigation. Using
next/linkfor Client‑Side Navigation