If I were to restart JavaScript again from scratch then I will follow this roadmap.

From: https://twitter.com/TheAnkurTyagi/status/1445737829296861204

JavaScript basic steps:

    What is JavaScript?
    Declaring JavaScript Variables: var, let, and const
    Basic math in JavaScript — Numbers and operators
    JavaScript syntax
    ES6 let VS const variables
    Arrays, Data Types, Strings
    Conditionals & Looping code
    Object basics
    this
    Objects and Classes
    Functions & Scope
    Functions — Reusable blocks of code
    Function return values
    Arrow Functions
    Reference vs. Copy
    Inheritance in JavaScript
    Working with JSON data
    JavaScript Dates
    JavaScript Timers
    DOM & Events
    Asynchronous JavaScript From Callbacks to Promises, to Async/Await.
    JavaScript Event Loop
    UI Events
    Forms, controls
    Document and resource loading

Advanced Topics:

    Functional Programming in JS
    Advanced Working With Functions
    Closures
    Regular Expressions
    Unicode in JS
    Object prototypes
    Storing data in the browser
    ES6 Modules
    Object building practice