Angular 21 Tutorial in Hindi #33 | input() Signal | Parent–Child Communication

In this video, we explore Inputs using Signals in Angular 21 and compare the old input + EventEmitter approach with the new signal-based communication model.

You’ll learn how to use the input() signal for parent → child data flow, and how child → parent communication works using EventEmitter (old way) vs Signal Output (new way).

This video explains modern Angular component communication with clean examples and interview-focused explanations.

📘 What You’ll Learn
-- Old way of Inputs in Angular
-- New input() Signal explained
-- Parent → Child communication using Signals
-- Child → Parent (Old Way: EventEmitter)
-- Child → Parent (New Way: Signal-based output)
-- EventEmitter vs Signal Output comparison
-- When to use Signals over EventEmitter
-- Angular interview questions

⚙️ Tech Used
Angular 21, Angular CLI, Node.js, VS Code, Terminal

📢 *Resources:*
👉 *Angular Documentation* - https://angular.dev/overview
👉 *GitHub Code Link* - https://github.com/mohitdjcet/angular21-tutorial

📂 *Playlist Links:*
- Angular 21 Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1LTrYY6_FMpx6cqmjuPdoo2
- JavaScript Full Course Video (Hindi): https://youtu.be/moRFcW7xayc
- Python Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1Ja-GuGvkiPqmE3RGYP4lnI
- Django Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1K_glKX0lG6BkviJFxjuGls
- NodeJS Full Course Video (Hindi): https://www.youtube.com/playlist?list=PLsjpRo2EZP1Lv7wu42U1Z-_Omh-pcjsUv
- Git and GitHib Copilot Full Course Video (Hindi): https://youtu.be/hebwERejgI4

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Видео Angular 21 Tutorial in Hindi #33 | input() Signal | Parent–Child Communication канала Mohit Decodes