Blog

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

Series

Angular 31 JavaScript Basics 19 JavaScript Intermediate 18 JavaScript Advanced 16 TypeScript Basics 14 TypeScript Intermediate 14 TypeScript Advanced 12

2 posts found #try-catch

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Frontend PART 06

JavaScript Error Handling: try/catch, Custom Error Classes and Error Chains with cause

We learn try/catch/finally and throw, the built-in error types, writing your own error class with extends Error, error chains with ES2022's cause, Error.isError (not in Safari yet) and showing errors to users properly.

3 Nov 2026 10 min 5

Frontend PART 13

JavaScript JSON: JSON.stringify, JSON.parse, try/catch and Deep Copies

We learn JSON's syntax rules, indentation and replacers with JSON.stringify, which values get lost, JSON.parse and revivers, catching broken JSON with try/catch, and why structuredClone wins for deep copies.

3 Nov 2026 8 min 6