Blog

Mert Özen's blog posts on software development, backend, frontend, and DevOps.

Series

.NET Core Web API 36 Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12 Entity Framework Core 28 Dapper 16 Git & GitHub 29 Web Security (OWASP Top 10) 21 LLM Fundamentals 20 C# Fundamentals 20 Object-Oriented Programming in C# 16 C# Collections and Generics 11 LINQ 17 Asynchronous Programming in C# 17 Advanced C# 14 C# Versions 6

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Frontend PART 08

Intro to Asynchronous JavaScript: The Call Stack, the Event Loop and Callbacks

We see how single-threaded JavaScript handles waiting without freezing the page through the call stack, Web APIs, the callback queue and the event loop, and unpack setTimeout(fn, 0) and callback hell.

3 Nov 2026 8 min 27

Frontend PART 11

JavaScript Functions: Declarations, Arrow Functions, Parameters and return

We learn function declarations, expressions and arrow functions, parameters and arguments, default parameters, return, passing functions as callbacks, function scope and how to write good functions.

3 Nov 2026 8 min 24