Object.is() vs. Strict Equality in JavaScript
Compare Object.is() and strict equality in JavaScript, including NaN, signed zero, loose equality contrast, and when precision matters in real code.
Articles
Development, page 22 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.
Object.is() vs. Strict Equality in JavaScript. 
What is CORS and Why is My JavaScript fetch Blocked? What is CORS and Why is My JavaScript
fetchBlocked?CORS explained for JavaScript fetch errors, including same‑origin policy, server opt‑in, preflight requests, credentials, and what front‑end code can fix.
Bem and Sass for Component CSS. Bem and Sass for Component CSS
Use BEM and Sass together for component CSS with clear naming, shallow nesting, modifiers, reusable mixins, and less fragile front‑end styling over time.
Creating and Dispatching Custom Events in JavaScript. Creating and Dispatching Custom Events in JavaScript
Create and dispatch custom events in JavaScript with CustomEvent, detail payloads, bubbling, naming choices, cancellation, and component examples.
Mastering CSS for Freelance Web Development Projects. Mastering CSS for Freelance Web Development Projects
CSS is key to delivering responsive, accessible, and visually appealing freelance projects. Here, I explore essential techniques and practices to master CSS.
Organising Sass with Partials and Mixins. Organising Sass with Partials and Mixins
Organise Sass with partials and mixins so stylesheets stay readable, reusable, easier to change, and less likely to hide component‑level side effects.
What are CSS Preprocessors, and Why Should You Use Them? What are CSS Preprocessors, and Why Should You Use Them?
Learn how Sass, Less and Stylus extend CSS with variables, nesting, mixins and modular files, alongside their build‑step and learning‑curve trade‑offs.
Object.freeze(), Object.seal(), and preventExtensions(). Object.freeze(),Object.seal(), andpreventExtensions()`Object.freeze()`, `Object.seal()`, and `preventExtensions()` explained clearly, including what each allows, what they block, and why shallow locking matters.
CSS visibility: Hiding Elements Without Affecting Layout. CSS
visibility: Hiding Elements Without Affecting LayoutCSS `visibility` hides elements without altering layout. Here, I explain its use cases, differences from opacity, and how it maintains document flow.
Controlling Element Transparency with CSS opacity. Controlling Element Transparency with CSS
opacityCSS `opacity` controls transparency, from fully opaque to invisible. Here, I explain how it works, its interaction with layout and practical examples.
Optimising HTML Markup for SEO. Optimising HTML Markup for SEO
Optimise HTML markup for SEO and accessibility with semantic elements, heading structure, alt text, clean code, anchor text, and crawler‑friendly structure.
Number.isNaN(), Number.isFinite(), and Number.isInteger() in JavaScript. Number.isNaN(),Number.isFinite(), andNumber.isInteger()in JavaScriptNumber.isNaN(), Number.isFinite(), and Number.isInteger() explained through strict numeric checks, coercion traps, parsing boundaries, and validation.
Browser vs. Node.js in JavaScript: Why Code Works in One and Fails in the Other. Browser vs. Node.js in JavaScript: Why Code Works in One and Fails in the Other
Browser and Node.js JavaScript compared through host APIs, globals, modules, async behaviour, DOM access, server APIs, and environment mix‑ups cleanly.
Understanding CSS Positioning. Understanding CSS Positioning
A fairly entry‑level overview of the basics of CSS positioning. Learn how to use `static`, `relative`, `absolute`, and `fixed` positioning with examples.
Function Declarations vs. Function Expressions vs. Arrow Functions. Function Declarations vs. Function Expressions vs. Arrow Functions
Function declarations vs. function expressions vs. arrow functions in JavaScript, including hoisting, `this`, readability, and when each style fits best.
String.startsWith(), endsWith(), and includes() in JavaScript. String.startsWith(),endsWith(), andincludes()in JavaScriptUse startsWith(), endsWith(), and includes() in JavaScript for clearer string checks, case‑sensitive matching, position arguments, and readable intent.
Understanding Phantom window.resize Events in iOS. Understanding Phantom
window.resizeEvents in iOSUnderstand phantom window.resize events in iOS Safari, including dynamic browser UI, viewport changes, orientation, user interaction, and mitigation patterns.
For...in vs. for...of in JavaScript. for...invs.for...ofin JavaScriptCompare for...in and for...of in JavaScript, including keys, values, arrays, objects, iterables, inherited properties, and choosing the clearest loop.