Skill Topic · Cinematic

📘 Angular — Content Projection Deep Dive

Parent se child ke andar content inject karo — jaise ek envelope me letter daalo (child = envelope,…

Overview

📘 Angular — Content Projection Deep Dive — Quick Facts

📌

"projects": C

🎯

C -->: "renders"

Topic 1

📌 1. Content Projection Kya Hai?

🧠 🎯 Analogy — Gift Wrapping Service Socho ek gift wrapping shop hai (child component) — tum…

Topic 2

📌 2. Single-Slot Projection

🔗 🎯 Analogy — Photo Frame Photo frame (child) = fixed design. Tum koi bhi photo (content)…

Topic 3

📌 3. Multi-Slot Projection (select)

⚡ 🎯 Analogy — Filing Cabinet Filing cabinet (child) me alag alag drawers hain — documents…

Topic 4

📌 4. select Attribute — CSS Selectors

📊 Tum select me different CSS selectors use kar sakte ho — elements, attributes, classes,…

Topic 5

📌 5. ngProjectAs — Alias for Projection

💡 🎯 Analogy — Disguise/Badge ngProjectAs = disguise lagana. tum ng-container ko bolo: "tum…

Topic 6

📌 6. @ContentChild & @ContentChildren — Projected Content Access

🎯 🎯 Analogy — Teacher Taking Attendance Teacher (parent component) students (content) ko…

Topic 7

📌 7. Signal-based Content Queries (Angular 17.2+)

🔮 `typescript import { Component, contentChild, contentChildren } from '@angular/core';…

Topic 8

📌 8. ng-template + ngTemplateOutlet — Template Projection

🌐 🎯 Analogy — Stamp / Stencil ng-template = ek stamp/stencil. Template define karo ek baar,…

Topic 9

📌 9. Conditional Projection — @if with ng-content

🧠 🎯 Analogy — Drawer Open/Close Expanding panel = drawer. Content hamesha drawer me hai,…

Topic 10

📌 10. Practical — Reusable Page Layout

🔗 `typescript // ═══ Full Page Layout — enterprise-grade multi-slot ═══ @Component({…

Topic 11

📌 11. Common Mistakes — Beginners Yeh Galtiyan Karte Hain

⚡ | # | ❌ Galti | ✅ Solution | |---|---------|------------| | 1 | Multiple <ng-content>…

Topic 12

✅ Summary

📊 📌 Yaad Rakho: - ng-content = parent se child me content project karo (gift wrapping!) -…

Topic 13

🧪 Khud Try Karo!

💡 Exercise 1: Reusable Card Component ` 1. CardComponent banao: header slot, body…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quick Quiz

Quiz — Question 1

📘 Angular — Content Projection Deep Dive ka sabse sahi definition kya hai?

Complete! 🎉

📘 Angular — Content Projection Deep Dive Complete!

Aliens School · HIEN · Cinematic Knowledge

✅