Gain insights into JavaScript from basics to ES2021, delve into TypeScript essentials, and test your knowledge through quizzes and coding challenges to reinforce learning.

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Jan/2021 Updated to include ES2021

Whether you are a complete beginner or you have some knowledge of JavaScript, this course will guide you from the basics of the language to all the new features introduced up until 2021.  You’ll test your knowledge with quizzes and some coding challenges at the end of each chapter. 

After following this course, the functions and variables let, const, generators, promises and async won't be a problem anymore.

If you want to experience something new, this course also includes an introduction to the basics of TypeScript, which is a must-know for any JavaScript developer.

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The Complete Guide to Modern JavaScript

to define custom behavior of fundamental operations

to make a value inaccessible from other functions

<h3>What is the use of a <code>Proxy</code>?</h3>


<p>How many parameters can a <code>Proxy</code> take?</p>


The **target** parameter of a `Proxy` **must** be an Array

The **target** parameter of a `Proxy` **must not** be an Array

The **target** parameter of a `Proxy` **can be** another `Proxy`

The **target** parameter of a `Proxy` **cannot be** another `Proxy`

<p>Which of the following is correct:</p>


In this lesson, we will solve a quiz related to the concepts covered in the previous lesson.

Introduction

Intro To JavaScript

ES6

From ES2016 to ES2022

Intro To TypeScript

Appendix

Quiz

What is the use of a `Proxy`?