Recent Posts

Understanding the JavaScript Engine: Call Stack, Event Loop, Micro-tasks, and Macro-tasks

Top 5 Lessons from SICP Every Full-Stack Developer Should Know

Mastering SQL Joins: Unlocking the Power of Relational Databases

🇻🇳My Experience Working Remotely from Vietnam as a Software Engineer

A Comprehensive Guide to Asynchronous Programming in JavaScript

Master JavaScript asynchronous programming with callbacks, promises, async/await, Promise.all, error handling, and performance tips for fast, non-blocking web applications.

Understanding Recursion in JavaScript

Learn how to use recursion in JavaScript to solve problems like factorials, Fibonacci sequences, deep-cloning objects, and summing arrays, and understand when to prefer iterative approaches for performance.

JavaScript Map and Big O Notation

Master JavaScript Map operations and their Big O complexities—learn constant-time set, get, delete, and practical patterns like counting, grouping, duplicate detection, and LRU caching for more efficient code.

JavaScript Set and Big O Notation

Master JavaScript Set operations and their Big O complexities—learn constant-time add, delete, has, and practical patterns like duplicate removal, intersection, sliding-window substring, and performance considerations.