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JavaScript Questions

Basics of Programming in JavaScrip

• JavaScript: A Comprehensive Overview
• JavaScript vs EcmaScript:
• Running the First Program:
• Declaring Variables using var:
• More about Variables:
• String Indexing:
• Useful String Methods:
• Template Strings:
• Null, Undefined, BigInt, typeof:
• Booleans and Comparison Operators:
• Truthy and Falsy Values:
• If-Else Statement:
• Ternary Operator:
• Logical Operators:
• Nested If-Else:
• If-Elseif-Else:
• Switch Statement:
• While Loop:
• While Loop Examples:
• For Loop:
• For Loop Examples:
• Break and Continue Keyword:
• Do-While Loop:

Arrays in JavaScript

• Arrays in JavaScript: A Comprehensive Guide
• Introduction to Arrays:
• Push, Pop, Shift, Unshift:
• Primitive vs Reference Data Types:
• Clone Array \& Spread Operator:
• For Loop:
• Use const for Creating Arrays:
• While Loop in Array:
• For…of Loop:
• For…in Loop:
• Array Destructuring:

Objects in JavaScript

• Objects in JavaScript
• Introduction to Objects:
• Dot vs Bracket Notation:
• Iterating Objects:
• Computed Properties:
• Spread Operator in Objects:
• Object Destructuring:
• Objects inside Array:
• Nested Destructuring:

Functions in JavaScript

• Functions in JavaScript: A Comprehensive Overview
• 1. Function Declaration:
• 2. Function Expression:
• 3. Arrow Functions:
• 4. Function inside Function:
• 5. Lexical Scope:
• 6. Block Scope Vs Function Scope:
• 7. Default Parameters:
• 8. Rest Parameters:
• 9. Parameter Destructuring:
• 10. Brief Intro to Callback Functions:
• 11. Functions Returning Functions:

Array Methods

• 1. Foreach Method:
• 2. Map Method:
• 3. Filter Method:
• 4. Reduce Method:
• 5. Sort Method:
• 6. Find Method:
• 7. Every Method:
• 8. Some Method:
• 9. Fill Method:
• 10. Splice Method:
• Iterables:
• Sets:
• Maps:
• Object.assign:
• Optional Chaining:

Object Oriented JavaScript / Prototypal Inheritance

• Object Oriented JavaScript / Prototypal Inheritance
• Methods:
• This Keyword:
• Window Object:
• Call, Apply, and Bind Methods:
• Some Warnings:
• This Inside Arrow Functions:
• Short Syntax for Methods:
• Factory Functions \& Memory Related Problems:
• First Solution to that Problem:
• Why That Solution Isn’t That Great:
• What is __proto__, [[Prototype]]:
• What is Prototype:
• Use Prototype:
• New Keyword:
• Constructor Function with New Keyword:
• More Discussion about Proto and Prototype:
• Class Keyword:
• Example using Class Keyword:
• Super Keyword:
• Method Overriding:
• Getters and Setters:
• Static Methods and Properties:

How JavaScript Works

• How JavaScript Works
• Global Execution Context
• this and window in Global Execution Context
• Hoisting
• Are let and const Hoisted? What is a Reference Error?
• Function Execution Context
• Scope Chain and Lexical Environment

Closures

• Closures
• Introduction to Closures
• Closure Example 1: Basic Closure
• Closure Example 2: Counter Function
• Closure Example 3: Callbacks
• Conclusion

Document Object Model (DOM)

• Document Object Model (DOM)
• Async vs. Defer
• Select Elements Using ID
• querySelector
• textContent \& innerText
• Change the Styles of Elements Using JavaScript
• Get and Set Attributes
• Select Multiple Elements and Loop Through Them
• innerHTML
• Deep Understanding of DOM Tree, Root Node, Element Nodes, and Text Nodes
• classList
• Adding New Elements to the Page
• Inserting Adjacent Elements
• Cloning Nodes
• More Methods to Add Elements on the Page
• Getting the Dimensions of the Element

Events

• Introduction to Events in JavaScript
• This Keyword Inside EventListener Callback
• Adding Events on Multiple Elements
• Event Object
• How Event Listeners Work
• Practice with Events
• Creating a Demo Project
• More Events
• Event Bubbling
• Event Capturing
• Event Delegation
• Creating a Project using Event Delegation

Asynchronous JavaScript

• Asynchronous JavaScript: Understanding Its Role and Implementation
• JavaScript: Synchronous or Asynchronous?
• setTimeout() Function: Introduction to Asynchronous Behavior
• setTimeout() with 0 Milliseconds: Event Loop Behavior
• Callback Queue and Event Loop:
• SetInterval: Repeated Execution with Intervals
• Understanding Callbacks in JavaScript:
• Callbacks in Asynchronous Programming:
• Callback Hell and Pyramid of Doom:
• Conclusion:

Promises, network request

• Introduction to Promises:
• Microtask Queue:
• Function that Returns a Promise:
• Promise and setTimeout:
• Promise.resolve() and .then() Method:
• Converting Nested Callbacks to Flat Code using Promises:
• Conclusion:
• Introduction to AJAX and HTTP Request
• HTTP Request
• Error Handling in XHR Requests
• XHR Request Chaining
• Promisifying XHR Requests and Chaining using then Method
• Fetch API
• Error Handling in Fetch API
• Consuming Promises with async and Await
• Conclusion