Leveraging .then() in Modern JavaScript
.then() still matters in modern JavaScript. This guide explains promise chaining, return values, and why Promise.prototype.then() remains useful.
Articles
JavaScript, page 7 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 nineteen articles collected together for you below.
Leveraging .then() in Modern JavaScript. Leveraging
Stopping Propagation vs. Preventing Default in JavaScript. Stopping Propagation vs. Preventing Default in JavaScript
Understanding `stopPropagation` and `preventDefault` is key to handling events in JavaScript. Here, I explore their differences and when to use each.
Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript. Solving the 'Letter Combinations of a Phone Number' Problem with TypeScript
An exploration of solutions to the 'Letter Combinations of Phone Number' problem using front‑end and TypeScript: recursion, backtracking, and iteration.
Creating Custom Viewport Units Instead of Using vh and vw. Creating Custom Viewport Units Instead of Using
vhandvwCreate custom viewport units with CSS variables and JavaScript to avoid mobile 100vh bugs caused by browser chrome, keyboards, and visible height changes.
Introducing Seeded Randomisation into an SSR Gatsby Project. Introducing Seeded Randomisation into an SSR Gatsby Project
Add seeded randomisation to an SSR Gatsby project, keeping content order deterministic across builds while still rotating destination‑style content.
LeetCode: Converting Roman Numerals to Integers. LeetCode: Converting Roman Numerals to Integers
Decode the mystique of Roman numerals! Discover their structure, learn their significance, and master the art of converting them back to integers in code.
LeetCode: Converting Integers to Roman Numerals. LeetCode: Converting Integers to Roman Numerals
Explore the art of converting integers to Roman numerals. Dive into the ancient numeral system, grasp its structure, and master its modern‑day coding solution.
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.
Repetitive Asynchronous Tasks with JavaScript's setInterval(). Repetitive Asynchronous Tasks with JavaScript's
setInterval()A discussion about using JavaScript's setInterval for repetitive tasks. Manage intervals effectively and understand best practices for time‑bound executions.
Dynamic Navigation with React Router. Dynamic Navigation with React Router
Understanding and Solving Regular Expression Matching. Understanding and Solving Regular Expression Matching
Explore the intricacies of the Regular Expression Matching problem. Dive deep into a recursive TypeScript solution and understand the power of regex.
LeetCode Container with Most Water: The Two‑Pointer Solution. LeetCode Container with Most Water: The Two‑Pointer Solution
Dive into the 'Container with Most Water' problem, exploring the efficient two‑pointer technique with a step‑by‑step TypeScript example and analysis.
JavaScript Build Tools Before Framework Clis Took Over. JavaScript Build Tools Before Framework Clis Took Over
A look back at JavaScript build tools before framework CLIs, covering Grunt, Gulp, Browserify, webpack, Babel, npm scripts, and everyday trade‑offs.
Understanding prototype.apply() in JavaScript. Understanding
prototype.apply()in JavaScriptUnderstand Function.prototype.apply() in JavaScript, including this binding, array‑like arguments, call() differences, dynamic invocation, and modern use cases.
The Longest Palindromic Substring in JavaScript. The Longest Palindromic Substring in JavaScript
Explore the 'Longest Palindromic Substring' problem: its relevance in web development and four JavaScript (ES6 & TypeScript) solutions for efficiency.
Using JavaScript and the Two‑Pointer Technique to Solve 4Sum. Using JavaScript and the Two‑Pointer Technique to Solve 4Sum
Master the 4Sum problem in JavaScript: Explore the two‑pointer technique, solve with ES6/TypeScript, and test using Cypress. Elevate your coding skills.
When jQuery Plugins Became Front‑End Debt. When jQuery Plugins Became Front‑End Debt
Why old jQuery plugins became front‑end debt, from hidden state and global CSS to accessibility gaps, browser assumptions, migration cost, and ownership.
JavaScript's hasOwnProperty() Method. JavaScript's
hasOwnProperty()MethodDiscover JavaScript's `hasOwnProperty()` for checking an object's own properties, an essential method for accurate and reliable object property iteration.