Skill Topic · Cinematic

📘 Angular — Performance Optimization Deep Dive

App ko blazing fast banao — jaise race car me har unnecessary weight hatana padta hai, waise hi…

Overview

📘 Angular — Performance Optimization Deep Dive — Quick Facts

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Priority: Technique

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🥇 1st: OnPush everywhere

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🥈 2nd: track in all loops

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🥉 3rd: Lazy loading (routes + @defer)

Topic 1

📌 1. Performance Areas Overview

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Engine tune (Change Detection) =…

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Weight reduction (Bundle Size) =…

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Aerodynamics (Lazy Loading) = sirf…

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Better tires (Rendering) = DOM…

Topic 2

📌 2. Change Detection — Default vs OnPush

🔗 🎯 Analogy — Security Guard Checking Default = security guard har ek room check karta hai…

Topic 3

📌 3. OnPush — Immutable Updates (MUST)

⚡ 🎯 Analogy — New Box vs Same Box OnPush = delivery boy check karta hai: "Naya box aaya?"…

Topic 4

📌 4. track in Loops — List Performance

📊 🎯 Analogy — Student Roll Numbers Bina roll number: har exam pe teacher SARE students ko…

Topic 5

📌 5. Virtual Scrolling (CDK) — Large Lists

💡 🎯 Analogy — News Feed Scrolling Phone pe infinite scroll karte ho — lekin phone sab posts…

Topic 6

📌 6. Lazy Loading — Routes + @defer

🎯 🎯 Analogy — On-Demand Delivery Pizza order karke delivery mangao (lazy) vs poore menu ka…

Topic 7

📌 7. NgOptimizedImage

🔮 🎯 Analogy — Smart Photo Gallery Smart gallery thumbnails pehle load karti hai…

Topic 8

📌 8. Bundle Analysis & Tree Shaking

🌐 `bash ═══ Bundle size analyze karo ═══ ng build --stats-json npx webpack-bundle-analyzer…

Topic 9

📌 9. Pure Pipes & Memoization

🧠 🎯 Analogy — Calculator Memory Button Calculator me M+ dabaate ho = result store. Same…

Topic 10

📌 10. Performance Measurement Tools

🔗 | Tool | Kya Karta Hai | Kab Use Karo | |------|---------------|--------------| | Chrome…

Topic 11

📌 11. Common Mistakes — Beginners Yeh Galtiyan Karte Hain

⚡ | # | ❌ Galti | ✅ Solution | |---|--------|------------| | 1 | OnPush nahi lagaya | Har…

Topic 12

✅ Summary

📊 📌 Yaad Rakho: - OnPush = sirf input change/event pe check — major speedup - Immutable…

Topic 13

🧪 Khud Try Karo!

💡 Exercise 1: OnPush Optimization ` 1. Parent-child setup: ProductList → ProductCard 2.…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quick Quiz

Quiz — Question 1

📘 Angular — Performance Optimization Deep Dive ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

📘 Angular — Performance Optimization Deep Dive ka '🥇 1st' kya hai?

Complete! 🎉

📘 Angular — Performance Optimization Deep Dive Complete!

Aliens School · HIEN · Cinematic Knowledge

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