Removing Duplicates from a JavaScript Array ('Deduping')
Deduping an array involves removing duplicate values to ensure each item appears only once. Here, I explore different JavaScript techniques to achieve this.
Articles, page 12 of 27
Articles from more than two decades of building, rebuilding, debugging, and leading web projects.
Removing Duplicates from a JavaScript Array ('Deduping'). 
Add Two Numbers in TypeScript: A LeetCode Linked List Solution. Add Two Numbers in TypeScript: A LeetCode Linked List Solution
Solve LeetCode Add Two Numbers in TypeScript with linked‑list traversal, carry handling, edge cases, and a clear implementation you can test and extend.
Trigonometric Functions in CSS. Trigonometric Functions in CSS
CSS trigonometric functions open up more expressive layout and animation patterns. This guide covers sin(), cos(), tan(), and practical examples.
3Sum in JavaScript: Two Pointers After Sorting. 3Sum in JavaScript: Two Pointers After Sorting
Solve the 3Sum problem in JavaScript with sorting, two pointers, duplicate skipping, Jest coverage, edge cases, and a clear TypeScript implementation.
JavaScript's typeof Operator: Uses and Limitations. JavaScript's
typeofOperator: Uses and LimitationsExplore the usage and limitations of JavaScript's `typeof` operator, understand its quirks, and learn when and how to use it effectively in your code.
Will AI Replace Front‑End Developers? Will AI Replace Front‑End Developers?
Will AI replace front‑end developers? This article separates routine automation from judgement, accessibility, browser knowledge, product context, and UX.
Rethinking Carousels: Going Around in Circles. Rethinking Carousels: Going Around in Circles
I am not a fan of carousels, although I have built many in my career. Here, I discuss why they hinder UX and SEO, and explore alternatives for engaging content.
Differences Between Falsy and Nullish Values in JavaScript. Differences Between Falsy and Nullish Values in JavaScript
Falsy and nullish values are not the same in JavaScript. This guide clears up the difference and shows why 0 and empty strings often trip people up.
ParseInt in JavaScript: The Significance of Radix. parseIntin JavaScript: The Significance of RadixLearn why parseInt()'s radix argument matters in JavaScript, how numeric bases affect parsing and why specifying the base makes conversion predictable.
Longest Substring Without Repeating Characters in JavaScript. Longest Substring Without Repeating Characters in JavaScript
Solve Longest Substring Without Repeating Characters in JavaScript with a sliding window, unique‑character tracking, and substring return variants.
Valid Palindrome in JavaScript: Two Pointers and Normalisation. Valid Palindrome in JavaScript: Two Pointers and Normalisation
A simple solution to solve the Valid Palindrome problem in JavaScript using the two‑pointer approach in ES6 and TypeScript, checking alphanumeric characters.
Build‑Time SEO Checks in Gatsby. Build‑Time SEO Checks in Gatsby
Run build‑time SEO checks in Gatsby across routes, metadata, canonicals, headings, sitemaps, schema, redirects, CMS content gaps, and release confidence.
Harnessing the Power of Function.prototype.bind(). Harnessing the Power of
Function.prototype.bind()Explore JavaScript's `Function.prototype.bind()` method to master function contexts and argument handling, enhancing your code's flexibility and reliability.
Automatically Generate Text Sitemaps in Gatsby. Automatically Generate Text Sitemaps in Gatsby
When it comes to text‑based sitemaps in Gatsby, gatsby‑plugin‑sitemap falls short. Fortunately, it is straightforward to implement using Node.js and GraphQL.
Harnessing JavaScript's defineProperty(). Harnessing JavaScript's
defineProperty()Unlock the capabilities of JavaScript's `Object.defineProperty()` for precise property control on objects, enhancing security and data integrity in your code.
String to Integer (atoi): Decoding Strings in JavaScript. String to Integer (atoi): Decoding Strings in JavaScript
Convert strings to integers in JavaScript, covering trimming, signs, invalid input, overflow‑style constraints, and a TypeScript implementation.
JavaScript Array Manipulation: slice() vs. splice(). JavaScript Array Manipulation:
slice()vs.splice()Compare JavaScript slice() and splice(), including copying versus mutation, return values, array edits, common confusion, and safer manipulation patterns.
Understanding the Nullish Coalescing (??) Operator in JavaScript. Understanding the Nullish Coalescing (
??) Operator in JavaScriptUnderstand JavaScript's nullish coalescing operator, comparing ?? with ||, preserving valid falsy values, and writing clearer default‑value logic.
Understanding setTimeout() in JavaScript. Understanding
setTimeout()in JavaScriptAn exploration of JavaScript's `setTimeout` function. Understand its nuances in component lifecycles, and learn effective timing strategies using it.
The LeetCode Zigzag Conversion Problem in TypeScript. The LeetCode Zigzag Conversion Problem in TypeScript
An exploration of the Zigzag Conversion problem: solve using string manipulation in web development, from iterative approaches to direct mathematical solutions.
Common Accessibility Pitfalls in Web Development. Common Accessibility Pitfalls in Web Development
Accessibility issues often creep in through ordinary front‑end habits. This article covers common mistakes and the fixes that make sites easier to use.