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

node.tar.gz

node:latest

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

```javascript
let func = arr.map(n -> n+1);
```

```javascript
let func = arr.map(n => n+1);
```

```javascript
let func = arr.map(n ~> n+1);
```

### What is the correct syntax for an arrow function?

```javascript
let arr = [1,2,3];
```

<h3>What is the correct syntax for an arrow function?</h3>
<pre><code class="language-javascript">let arr = [1,2,3];
</code></pre>


### What is the correct output of the following code?

```javascript
const person = {
  age: 10,
  grow: () => {
    this.age++;
  },
}
person.grow();

console.log(person.age);
```

<h3>What is the correct output of the following code?</h3>
<pre><code class="language-javascript">const person = {
  age: 10,
  grow: () =&gt; {
    this.age++;
  },
}
person.grow();

console.log(person.age);
</code></pre>


# Coding Challenge

## Refactor the following code to use the arrow function syntax:

In this lesson, we’ll test our knowledge of concepts covered in the previous lesson.

Introduction

Intro To JavaScript

ES6

From ES2016 to ES2022

Intro To TypeScript

Appendix

Quiz

Quiz #

What is the correct syntax for an arrow function?