JAVASCRIPT FUNDAMENTALS TRAINING

Module 1: Introduction to JavaScript

• Overview of JavaScript
• What is JavaScript?
• How JavaScript fits into web development (client-side scripting, server-side scripting).
• History of JavaScript and its evolution.
• Setting Up the Development Environment
• Choosing a code editor (e.g., Visual Studio Code, Sublime Text).
• Introduction to browser Developer Tools.
• How to run JavaScript in a web browser.
• Hello World Program
• Writing the first JavaScript program: console.log("Hello, World!");

Module 2: Basic JavaScript Syntax

• Variables and Data Types
• Declaring variables with var, let, and const.
• Primitive data types: String, Number, Boolean, null, undefined.
• Type conversion and coercion.
• Operators in JavaScript
• Arithmetic operators: +, -, *, /, %, ++, --.
• Assignment operators: =, +=, -=, *=, /=.
• Comparison operators: ==, ===, !=, !==, >, <, >=, <=.
• Logical operators: &&, ||, !.
• Ternary (conditional) operator: condition ? expr1 : expr2.

Module 3: Control Flow

• Conditional Statements
• if, else if, else statements.
• Nested conditionals.
• switch statements for multiple conditions.
• Loops and Iteration
• for loop, while loop, and do...while loop.
• Using break and continue for loop control.
• Iterating over arrays using loops.

Module 4: Functions

• Defining Functions
• Function declarations and expressions.
• Parameters and return values.
• Function scope and hoisting.
• Arrow Functions
• Syntax and advantages of arrow functions.
• Understanding this in arrow functions.
• Higher-Order Functions
• Passing functions as arguments.
• Returning functions from other functions.
• Introduction to callback functions.

Module 5: Arrays and Objects

• Working with Arrays
• Declaring and initializing arrays.
• Accessing and modifying array elements.
• Common array methods: .push(), .pop(), .shift(), .unshift(), .map(), .filter(), .reduce().
• Objects in JavaScript
• Defining objects with properties and methods.
• Accessing and modifying object properties.
• Object methods and this keyword.
• Arrays of Objects and Objects as Arrays
• Using arrays to store objects.
• Looping through objects and arrays.

Module 6: DOM Manipulation

• Understanding the DOM (Document Object Model)
• What is the DOM?
• Accessing HTML elements with JavaScript: getElementById(), getElementsByClassName(), querySelector(), querySelectorAll().
• Manipulating DOM Elements
• Changing content with innerHTML, textContent.
• Modifying attributes with setAttribute() and getAttribute().
• Changing styles dynamically with style property.
• Event Handling
• Adding event listeners: click, mouseover, keydown, etc.
• Event propagation: bubbling vs capturing.
• Handling events using anonymous functions and named functions.

Module 7: Error Handling

• Introduction to Errors
• Syntax errors, runtime errors, and logic errors.
• Using try...catch for error handling.
• Throwing custom errors using throw.
• Debugging JavaScript
• Using browser Developer Tools for debugging.
• Setting breakpoints and inspecting variables.

Module 8: Introduction to Asynchronous JavaScript

• Asynchronous Programming Concepts
• Synchronous vs Asynchronous execution.
• The Event Loop and Call Stack.
• Callbacks
• How callbacks work in JavaScript.
• Example use cases with setTimeout, setInterval.
• Promises
• Understanding Promises and their lifecycle (pending, resolved, rejected).
• Using .then(), .catch(), and .finally() with promises.
• Chaining multiple promises.
• Async/Await
• Introduction to async and await for cleaner asynchronous code.
• Error handling with try...catch in async functions.

Module 9: Advanced JavaScript Concepts

• Understanding this Keyword
• this in global context, function context, and object context.
• Arrow functions and this.
• Closures
• What are closures?
• Lexical scoping and inner functions.
• Practical examples of closures.
• Modules in JavaScript
• Introduction to JavaScript modules: import and export.
• Organizing code into modules for better maintainability.

Module 10: JavaScript Libraries and Frameworks

• Introduction to jQuery
• Basics of using jQuery for DOM manipulation and event handling.
• Overview of Modern JavaScript Frameworks
• Introduction to React, Angular, and Vue.js.
• When to use a framework vs plain JavaScript.

Module 11: Project: Building a Simple Web Application

• Project Overview
• Creating a simple to-do list or calculator application using JavaScript.
• Applying JavaScript Fundamentals
• Implementing DOM manipulation, event handling, and functions.
• Using arrays and objects to manage data in the application.