Skill Topic · Cinematic

📘 Angular — HTTP Client

Server se data fetch aur send karo — RESTful API integration! Jaise ek waiter restaurant me tumhara…

Overview

📘 Angular — HTTP Client — Quick Facts

📌

"HTTP Request\n(GET/POST/PUT/DELETE)": B["🌐 REST API\nServer"]

🎯

B -->: "Observable\nResponse"

Topic 1

📌 1. HttpClient Setup

📚 🎯 Analogy — Telephone Connection Pehle telephone line lagwao (setup), phir call karo…

Topic 2

📌 2. Basic CRUD Operations — Complete Service

💡

📖 GET = "Sab books dikhao" / "Book…

🔑

📝 POST = "Nayi book add karo"

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✏️ PUT = "Book #5 ki poori info…

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🔧 PATCH = "Book #5 ka sirf title…

Topic 3

📌 3. Component Me Use Karo

🎯 `mermaid sequenceDiagram participant C as 🖥️ Component participant S as 📋 Service…

Topic 4

📌 4. HTTP Options — Headers, Params, Response Types

⭐ `typescript import { HttpHeaders, HttpParams } from '@angular/common/http'; @Injectable({…

Topic 5

📌 5. Error Handling — Robust Approach

🔑 🎯 Analogy — Doctor's Check API call = patient ko doctor ke paas bhejo. Response = doctor…

Topic 6

📌 6. HTTP Interceptors — Middleware for Every Request

✨ 🎯 Analogy — Airport Security Interceptor = airport security checkpoint. Har passenger…

Topic 7

📌 7. RxJS Operators with HTTP

🌟 🎯 Powerful Data Transformation `typescript import { map, tap, catchError, switchMap,…

Topic 8

📌 8. Search with Debounce (TypeAhead)

🚀 🎯 Analogy — Google Search Suggestions Jab tum Google me type karte ho, har letter pe API…

Topic 9

📌 9. Common Mistakes — Beginners Ye Galtiyan Karte Hain

📚 | # | ❌ Mistake | ✅ Solution | |---|-----------|------------| | 1 | subscribe() bhool…

Topic 10

✅ Summary

💡 📌 Yaad Rakho: - HttpClient = Angular ka HTTP tool — Observable return karta hai - CRUD:…

Topic 11

🧪 Khud Try Karo!

🎯 Exercise 1: Todo App (Full CRUD) ` 1. ng g s services/todo-service 2. JSONPlaceholder API…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quick Quiz

Quiz — Question 1

📘 Angular — HTTP Client ka sabse sahi definition kya hai?

Complete! 🎉

📘 Angular — HTTP Client Complete!

Aliens School · HIEN · Cinematic Knowledge

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