I will cover all concept as below with real time examples

JS Introduction
JS Statements
JS Syntax
JS Comments
JS Variables
JS Let
JS Const
JS Operators
JS Arithmetic
JS Assignment
JS Data Types
JS Functions
JS Objects
JS Events
JS Strings
JS String Methods
JS String Search
JS String Templates
JS Numbers
JS BigInt
JS Number Methods
JS Number Properties
JS Arrays
JS Array Methods
JS Array Sort
JS Array Iteration
JS Array Const
JS Dates
JS Date Formats
JS Date Get Methods
JS Date Set Methods
JS Math
JS Random
JS Booleans
JS Comparisons
JS If Else
JS Switch
JS Loop For
JS Loop For In
JS Loop For Of
JS Loop While
JS Break
JS Iterables
JS Sets
JS Maps
JS Typeof
JS Type Conversion
JS Bitwise
JS RegExp
JS Precedence
JS Errors
JS Scope
JS Hoisting
JS Strict Mode
JS this Keyword
JS Arrow Function
JS Classes
JS Modules
JS JSON
JS Debugging etc..