Advanced JavaScript Techniques - OryNet IT Services & Consulting

UNIT 1: JavaScript Execution Model & Internals
Objective: Understand how JavaScript actually works under the hood.

JavaScript engines (V8, SpiderMonkey overview)
Parsing, compilation, and execution
Execution context
Call stack
Lexical environment
Scope chain
Hoisting (deep analysis)
Temporal Dead Zone (TDZ)

UNIT 2: Advanced Scope, Closures & Memory
Objective: Master one of the most critical JS concepts.

UNIT 3: this Keyword & Function Context
Objective: Use this correctly in all scenarios.

UNIT 4: Objects, Prototypes & Inheritance
Objective: Understand JavaScript’s object model deeply.

UNIT 5: Advanced Functions & Functional Programming
Objective: Apply functional programming concepts.

UNIT 6: Asynchronous JavaScript – Deep Dive
Objective: Handle non-blocking code professionally.

UNIT 7: Event Loop, Microtasks & Concurrency Model
Objective: Understand JavaScript’s concurrency mechanism.

UNIT 8: ES6+ Advanced Language Features
Objective: Use modern JavaScript features effectively.

UNIT 9: Modules & Application Architecture
Objective: Structure large-scale JavaScript applications.

UNIT 10: DOM, Events & Performance Optimization
Objective: Build efficient and responsive UIs.

UNIT 11: Error Handling, Debugging & Reliability
Objective: Build stable applications.

UNIT 12: JavaScript Design Patterns
Objective: Apply reusable solutions to common problems.

UNIT 13: Security & Best Practices (Advanced Level)
Objective: Write safe and professional JavaScript.

UNIT 14: Performance Optimization & Memory Management
Objective: Optimize real-world applications.

UNIT 15: Advanced Mini Projects
Objective: Apply advanced concepts practically.

UNIT 16: Capstone – Advanced JavaScript Application
Objective: Deliver a complex, production-style JS application.

Capstone Options: Vanilla JavaScript Single Page Application
Real-Time Dashboard (API-driven)
Data Visualization App
JavaScript Utility Library
Mandatory Features: ✔ Modular architecture
Async data handling
Performance optimization
Error handling
Documentation
GitHub repository

Course Content

UNIT 1: JavaScript Execution Model & Internals Objective: Understand how JavaScript actually works under the hood.

JavaScript engines (V8, SpiderMonkey overview)

Parsing, compilation, and execution

Execution context

Call stack

Lexical environment

Scope chain

Hoisting (deep analysis)

Temporal Dead Zone (TDZ)

UNIT 2: Advanced Scope, Closures & Memory Objective: Master one of the most critical JS concepts.

Global, function, and block scope

Closures: creation and use cases

Practical closure patterns

Memory retention and garbage collection

Avoiding memory leaks with closures

Real-world closure-based implementations

UNIT 3: this Keyword & Function Context Objective: Use this correctly in all scenarios.

Default binding

Implicit binding

Explicit binding (call, apply, bind)

Constructor binding

Arrow functions and lexical this

Common this pitfalls

UNIT 4: Objects, Prototypes & Inheritance Objective: Understand JavaScript’s object model deeply.

Object creation patterns

Prototype chain

__proto__ vs prototype

Inheritance using prototypes

ES6 classes vs prototype-based inheritance

Mixins and composition

UNIT 5: Advanced Functions & Functional Programming Objective: Apply functional programming concepts.

First-class functions

Higher-order functions

Pure vs impure functions

Immutability

Function composition

Currying and partial application

UNIT 6: Asynchronous JavaScript – Deep Dive Objective: Handle non-blocking code professionally.

Synchronous vs asynchronous execution

Callback pattern and callback hell

Promises: states, chaining, error handling

async / await (advanced usage)

Error handling in async code

Parallel vs sequential async execution

UNIT 7: Event Loop, Microtasks & Concurrency Model Objective: Understand JavaScript’s concurrency mechanism.

Event loop architecture

Task queue vs microtask queue

Promise microtasks

setTimeout vs setInterval

Rendering cycle interaction

Common interview-level event loop problems

UNIT 8: ES6+ Advanced Language Features Objective: Use modern JavaScript features effectively.

Destructuring (advanced patterns)

Spread and rest operators

Default parameters

Template literals (advanced use)

Optional chaining

Nullish coalescing

Dynamic imports

UNIT 9: Modules & Application Architecture Objective: Structure large-scale JavaScript applications.

ES Modules (import / export)

Module scope

Code splitting concepts

Dependency management

Separation of concerns

Folder structure best practices

UNIT 10: DOM, Events & Performance Optimization Objective: Build efficient and responsive UIs.

DOM reflow & repaint

Event delegation

Efficient DOM manipulation

Debouncing and throttling

Memory management in DOM-heavy apps

Browser performance profiling

UNIT 11: Error Handling, Debugging & Reliability Objective: Build stable applications.

try/catch best practices

Custom error objects

Graceful error handling

Debugging using browser DevTools

Stack trace analysis

UNIT 1: JavaScript Execution Model & Internals
Objective: Understand how JavaScript actually works under the hood.

UNIT 2: Advanced Scope, Closures & Memory
Objective: Master one of the most critical JS concepts.

UNIT 3: this Keyword & Function Context
Objective: Use this correctly in all scenarios.

UNIT 4: Objects, Prototypes & Inheritance
Objective: Understand JavaScript’s object model deeply.

proto vs prototype

UNIT 5: Advanced Functions & Functional Programming
Objective: Apply functional programming concepts.

UNIT 6: Asynchronous JavaScript – Deep Dive
Objective: Handle non-blocking code professionally.

UNIT 7: Event Loop, Microtasks & Concurrency Model
Objective: Understand JavaScript’s concurrency mechanism.

UNIT 8: ES6+ Advanced Language Features
Objective: Use modern JavaScript features effectively.

UNIT 9: Modules & Application Architecture
Objective: Structure large-scale JavaScript applications.

UNIT 10: DOM, Events & Performance Optimization
Objective: Build efficient and responsive UIs.

UNIT 11: Error Handling, Debugging & Reliability
Objective: Build stable applications.

UNIT 12: JavaScript Design Patterns
Objective: Apply reusable solutions to common problems.

UNIT 13: Security & Best Practices (Advanced Level)
Objective: Write safe and professional JavaScript.

UNIT 14: Performance Optimization & Memory Management
Objective: Optimize real-world applications.

UNIT 15: Advanced Mini Projects
Objective: Apply advanced concepts practically.

UNIT 16: Capstone – Advanced JavaScript Application
Objective: Deliver a complex, production-style JS application.