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.
Articles
TypeScript, page 3 of 3
TypeScript is a typed superset of JavaScript designed to make larger codebases easier to reason about and safer to change. Most of the articles here focus on clearer data models and more honest component boundaries, using types to support the work rather than turning the type system into the subject for its own sake.
3Sum in JavaScript: Two Pointers After Sorting. 
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.
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.
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.
LeetCode: Reversing Integers with JavaScript. LeetCode: Reversing Integers with JavaScript
Reverse integers in JavaScript with sign handling, overflow checks, TypeScript examples, and the trade‑offs between string and maths approaches.
Throttling vs. Debouncing in JavaScript: Managing Event Frequency. Throttling vs. Debouncing in JavaScript: Managing Event Frequency
The differences between throttling and debouncing in JavaScript, including practical TypeScript code examples. Optimise event handling and improve performance.