Introduction

Explore how to effectively use modern JavaScript variable declarations such as const and let to write clearer and more predictable code. Understand block scoping, immutability, and template literals to enhance your coding style and maintainability. This lesson helps you evaluate your everyday variable assignments to improve readability and reduce errors in your projects.

We'll cover the following...

- What does this chapter include?

Before we begin, I have a question for you. How many variables did you declare in your code yesterday? It doesn’t matter what language you were writing. Was it ten? A hundred? How about over the last week? Last month? Probably a lot.

Now think about how many variables you read yesterday. Maybe you read your own code, or maybe you were skimming someone else’s. Did you see a hundred variables? a thousand? Chances are, you don’t have a clue.

Now if I asked you how many curried functions you saw yesterday, I bet you’d know the answer. I can tell you that I saw exactly one curried function yesterday. I ...

1.Introduction

2.Signal Intention with Variable Assignment

3.Manage Data Collections with Arrays

4.Maximize Code Clarity with Special Collections

5.Write Clear Conditionals

6.Simplify Loops

7.Clean Up Parameters and Return Statements

8.Build Flexible Functions

9.Keep Interfaces Clear with Classes

10.Access External Data

11.Gather Related Files with Component Architecture

Project

Introduction