Array.from() and Array.of() in JavaScript
`Array.from()` and `Array.of()` in JavaScript explained with NodeLists, array‑like objects, generated arrays, and why `new Array()` can still catch people out.
Articles, page 20 of 22
Practical notes and articles on React, Next.js and web platform work.
Array.from() and Array.of() in JavaScript. 
Default Parameters in JavaScript: A Guide. Default Parameters in JavaScript: A Guide
Default parameters in JavaScript explained from the ES6 syntax through undefined handling, old workarounds, cleaner calls, everyday use, and function design.
Understanding Arrow Functions in JavaScript. Understanding Arrow Functions in JavaScript
A technical article explaining what arrow functions are in JavaScript, and providing code examples. It includes comparisons against non‑arrow functions.
The arguments Object vs. Rest Parameters in JavaScript. The
argumentsObject vs. Rest Parameters in JavaScriptThe `arguments` object vs. rest parameters in JavaScript, including readability, array behaviour, arrow function differences, and modern best practices.
Why HTML Form Values are Always Strings in JavaScript. Why HTML Form Values are Always Strings in JavaScript
Understand why HTML form values are always strings in JavaScript, plus safe conversion for numbers, booleans, checkboxes, radio buttons, and FormData.
Object Property Shorthand and Computed Property Names in JavaScript. Object Property Shorthand and Computed Property Names in JavaScript
Use object property shorthand and computed property names in JavaScript for cleaner literals, derived keys, method shorthand, and overwrite cautions.
Null and undefined in JavaScript. nullandundefinedin JavaScriptCompare null and undefined in JavaScript, including assignment, missing values, typeof quirks, arithmetic behaviour, equality, and common bugs clearly.
Exporting and Importing Using ES6 Modules. Exporting and Importing Using ES6 Modules
An article which explains how to use modules in JavaScript, including exporting and importing named and default exports, and potential issues to watch out for.
Object.assign() in JavaScript: Merging and Shallow Copies. Object.assign()in JavaScript: Merging and Shallow CopiesUse Object.assign() in JavaScript for merging and shallow copies, with target mutation, overwrite rules, nested‑object cautions, and newer alternatives.
Rendering Lists in React and Why Keys Matter. Rendering Lists in React and Why Keys Matter
Render lists in React with stable keys, avoiding index and random‑key bugs, preserving component state correctly through filtering, sorting, and reordering.
The Difference Between == and === in JavaScript. The Difference Between
==and===in JavaScriptCompare == and === in JavaScript through type coercion, strict equality, surprising conversions, safer defaults, and when loose equality still appears.
Classes in JavaScript: An Introduction. Classes in JavaScript: An Introduction
An article that provides a beginner‑friendly introduction to classes in JavaScript, explaining what they are, how they work, and how to use them in your code.
Comparing Arrays in JavaScript. Comparing Arrays in JavaScript
Comparing arrays in JavaScript is trickier than it first looks. This guide covers reference equality, value comparison, and practical alternatives.
Invoked Function Expressions (IIFE). Invoked Function Expressions (IIFE)
IIFEs were a common JavaScript pattern before modern modules took over. This guide explains what they do, why they existed, and when they still appear.
Understanding call, apply, and bind in JavaScript. Understanding
call,apply, andbindin JavaScriptUnderstand call, apply, and bind in JavaScript, including this context, argument passing, borrowed methods, invocation differences, and practical use.
Appending and Prepending Items to an Array. Appending and Prepending Items to an Array
Append and prepend array items in JavaScript with push(), unshift(), spread syntax, mutation trade‑offs, return values, and cleaner update patterns.
How Inheritance Works in the JavaScript Prototype Chain. How Inheritance Works in the JavaScript Prototype Chain
The JavaScript prototype chain underpins inheritance, enabling object property sharing. Here, I explore its workings, property searching, and quirks.
Type Coercion in JavaScript: Implicit vs. Explicit Conversion. Type Coercion in JavaScript: Implicit vs. Explicit Conversion
Type coercion in JavaScript explained clearly, including implicit vs. explicit conversion, equality surprises, string concatenation, and number casting.
Using CommonJS to Implement Modules in JavaScript. Using CommonJS to Implement Modules in JavaScript
Use CommonJS modules in JavaScript with require() and module.exports, covering Node.js origins, browser bundling, limitations, and ES module comparison.
Five Tips for Transitioning from Permanent to Freelancing. Five Tips for Transitioning from Permanent to Freelancing
Thinking of moving from permanent employment to freelancing? Follow these 5 tips for a smooth transition and establish yourself as a successful freelancer.
How to Find the Best Web Developer Near You: A Guide for Local Businesses. How to Find the Best Web Developer Near You: A Guide for Local Businesses
Find the best web developer near you in Brighton, Sussex, or London. This guide covers what to look for, from technical skills to communication and aftercare.