3Sum Closest in JavaScript: Sorting and Two Pointers
Solve 3Sum Closest in JavaScript with sorting and two pointers, reducing brute‑force work while finding the nearest total efficiently in TypeScript.
Articles
JavaScript, page 8 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.
3Sum Closest in JavaScript: Sorting and Two Pointers. 
Removing Duplicates from a JavaScript Array ('Deduping'). 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.
Add Two Numbers in TypeScript: A LeetCode Linked List Solution. Add Two Numbers in TypeScript: A LeetCode Linked List Solution
Explore LeetCode's 'Add Two Numbers' problem: adding numbers represented as linked lists. Dive into the challenge, TypeScript solution, and its significance.
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.
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 RadixParseInt() can give surprising results if you ignore radix. This guide explains why the second argument matters and when Number() is a better fit.
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.
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.
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
Unravelling the origins of 'atoi': from its C‑language roots as an ASCII‑to‑integer converter to its widespread recognition in modern programming contexts.
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 cleaner default fallbacks safely.
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.
Sorting Objects in JavaScript. Sorting Objects in JavaScript
Sort arrays of objects in JavaScript with comparator functions, numeric and string properties, return values, case sensitivity, and deeper sorting notes.