Understanding prototype.apply() in JavaScript
Understand Function.prototype.apply() in JavaScript, including this binding, array‑like arguments, call() differences, dynamic invocation, and modern use cases.
Articles
JavaScript, page 8 of 19
JavaScript is the working language behind most of my front‑end writing, from small browser behaviours to application state and asynchronous code. These articles favour the mechanism behind a feature over a clever trick, whether the subject is callbacks, async code, or a language edge that only becomes obvious in production.
Understanding prototype.apply() in JavaScript. Understanding
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()MethodUnderstand JavaScript's
hasOwnProperty(),Object.hasOwn(), and theinoperator, including the difference between own and inherited object properties.
3Sum Closest in JavaScript: Sorting and Two Pointers. 3Sum Closest in JavaScript: Sorting and Two Pointers
Solve 3Sum Closest in JavaScript with sorting and two pointers, reducing brute‑force work whilst finding the nearest total efficiently in TypeScript.
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
Solve LeetCode Add Two Numbers in TypeScript with linked‑list traversal, carry handling, edge cases, and a clear implementation you can test and extend.
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
typeofoperator, 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 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.
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 JavaScriptConvert strings to integers in JavaScript, covering trimming, signs, invalid input, overflow‑style constraints, and a TypeScript implementation.