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

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Frontend PART 05

Array and Tuple Types in TypeScript: readonly, Optional Elements and Named Tuples

string[] versus the generic Array form, readonly arrays, fixed-length tuples, optional and rest elements, named tuples, and how the noUncheckedIndexedAccess setting changes reads by index.

3 Nov 2026 8 min 1

Frontend PART 10

JavaScript Arrays: push, pop, slice, splice, Spread and the sort Trap

We learn how to create arrays, access them with at(), push/pop/shift/unshift, slice vs splice, copying with spread, forEach, why sort gets numbers wrong, and the reference trap.

3 Nov 2026 9 min 4