Tagged Template Literals in JavaScript
Tagged template literals let you intercept and reshape template literal output. This guide explains the syntax and why the feature can be useful.
Articles
JavaScript, page 14 of 18
JavaScript is probably one of the most‑used programming languages in the world, and a cornerstone of front‑end (and more general) web development. It enables the development of interactivity and features that HTML and CSS alone simply cannot, and includes more advanced concepts like closures, callbacks, and asynchronous programming.
Below you will find a subset of articles from my blog specifically about JavaScript. This is an area I have worked with for many years, and it has been a regular subject in my writing. There are three hundred twenty‑one articles collected together for you below.
Tagged Template Literals in JavaScript. 
Escaping and Unescaping Special Characters in JavaScript. Escaping and Unescaping Special Characters in JavaScript
Escape and unescape special characters in JavaScript for strings, HTML, regular expressions, safe output, parsing, and practical data handling safely.
Integrating CMSes with HTML, CSS, and JavaScript. Integrating CMSes with HTML, CSS, and JavaScript
Integrating CMSes with HTML, CSS, and JavaScript enables dynamic, flexible content management. Here, I explore best practices, performance tips, and SEO.
React Error Boundaries Explained. React Error Boundaries Explained
React error boundaries explained with fallback UI, componentDidCatch(), getDerivedStateFromError(), logging, placement strategy, and what they cannot catch.
Object.keys(), Object.values(), and Object.entries() Explained. Object.keys(),Object.values(), andObject.entries()ExplainedObject.keys(), Object.values(), and Object.entries() explained for JavaScript objects, including iteration, snapshots, validation, and helper choice.
Understanding File‑System Routing in Next.js. Understanding File‑System Routing in Next.js
File‑system routing in Next.js explained clearly, including the `pages` directory, nested routes, index files, and why routing feels simpler than custom setups.
JavaScript Hoisting: Variables, Functions, and More. JavaScript Hoisting: Variables, Functions, and More
JavaScript hoisting moves declarations to the top of their scope. Here, I explore its impact on variables, functions, and best practices for avoiding pitfalls.
Closures in JavaScript: The Key to Lexical Scope. Closures in JavaScript: The Key to Lexical Scope
Closures let JavaScript functions retain access to parent scope variables. Here, I explore closures, scope, and practical uses for cleaner, more efficient code.
Static Methods vs. Instance Methods in JavaScript Classes. Static Methods vs. Instance Methods in JavaScript Classes
Static methods vs. instance methods in JavaScript classes explained clearly, including when to use each, common mistakes, and how class APIs stay readable.
Mutation vs. Immutability in JavaScript Arrays and Objects. Mutation vs. Immutability in JavaScript Arrays and Objects
Mutation and immutability in JavaScript explained through arrays, objects, push(), splice(), shared references, UI bugs, and safer update patterns.
Array.includes() vs. indexOf() in JavaScript. Array.includes()vs.indexOf()in JavaScriptCompare Array.includes() and indexOf() in JavaScript, including boolean checks, returned positions, NaN handling, readability, and membership tests.
React Portals Explained. React Portals Explained
React Portals explained with modals, overlays, and tooltips, including DOM placement, event bubbling, accessibility concerns, and when portals help.
Enhancing User Experience with CSS and JavaScript Animations. Enhancing User Experience with CSS and JavaScript Animations
CSS and JS animations enhance user experience by adding smooth transitions and interactivity. Here, I explore best practices, performance, and the real‑world.
React Fragments Explained. React Fragments Explained
React Fragments explained through empty tags, keyed fragments, semantic markup, unnecessary wrapper divs, grouped list output, and layout side effects.
Building Responsive Navigation with CSS and JavaScript. Building Responsive Navigation with CSS and JavaScript
Optimising Website Performance with HTML, CSS, and JavaScript. Optimising Website Performance with HTML, CSS, and JavaScript
Improve website performance with practical HTML, CSS and JavaScript checks, from assets and rendering to scripts, measurement and Core Web Vitals.
Extends and super in JavaScript Classes. extendsandsuperin JavaScript Classes`Extends` and `super` in JavaScript classes explained with inheritance examples, constructor rules, method overriding, and the trade‑offs of class hierarchies.
JavaScript Essentials for Freelance Web Developers. JavaScript Essentials for Freelance Web Developers
This guide explores JavaScript essentials for freelance web developers. It covers fundamental concepts, practical examples, and tips for mastering JavaScript.