Learning JavaScript⚙️

Basics

• Variables
• Datatypes
• Conversion and Operation
• Comparision
• Stack and Heap Memory
• Strings
• Numbers
• Maths
• Dates

Arrays

• push, pop, shift, unshift
• slice, splice
• concat(), Spread Operator, flat(), Array.isArray(), Array.from(), Array.of()

Objects

• Creating Objects using Object Literals and Singleton
• Accessing Object values
• Objects and Functions
• Objects Destructuring
• JSON
• Object Methods

Functions

• Creating Functions
• Passing Values to a Function
• Returning from a Function
• Passing Objects to a Function
• Passing Arrays to a Function
• Scopes, this
• Arrow Functions
• IIFE
• Execution Context and Call Stack

Conditionals

• if and else statements
• switch statements
• Truthy and Falsy values
• Nullish Coalescing Operator ??
• Ternary Operator ?:

Iterations

• for loop
• break and continue
• while loop
• do-while loop
• forof loop, forin loop, forEach loop
• map, filter and reduce

Document Object Model (DOM)

• DOM Tree
• getElementById(), getElementsByClassName(), querySelector(), querySelectorAll()
• Traversing in DOM Tree
• Creating a New Element
• Editing and Removing DOM Elements
• Events, Event Propagation, Event Bubbling, Event Capturing

Asynchronous JavaScript

• Async Code, Blocking vs Non Blocking Code
• Event Loop
• setTimeout() and setInterval()
• AJAX
• Promises
• Async and Await
• Fetch

OOP

• Object Literals
• Constructor Functions
• New Instances, new Keyword
• Prototype, Prototype Inheritance
• call Keyword, bind Keyword,
• Classes, Inheritance, super Keyword
• Static Props
• Object.getOwnPropertyDescriptor(), Object.defineProperty()
• Getter and Setter
• Lexical Scoping and Closures