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

2 posts found #es2025

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Frontend PART 05

JavaScript Map and Set: Key-Value Collections and the New Set Methods

We learn how Map differs from objects, unique values with Set, iteration, set operations such as union and intersection from ES2025, and ES2026's getOrInsert, with a quick look at WeakMap.

3 Nov 2026 8 min 5

Frontend PART 17

JavaScript Modules in the Browser: import, export, Dynamic import() and Import Maps

We write a first module with type="module", see why file:// fails, and learn named and default exports, live bindings, dynamic import(), import maps and ES2025's JSON modules with import attributes.

3 Nov 2026 8 min 5