1. Introduction: Why JavaScript Code Becomes Unreadable You download a JavaScript library to use in your project. The file is a single line of code with thousands of characters compressed together. Reading it is impossible. You cannot find the function you need or understand how it works. You copy JavaScript code from a tutorial online. It is formatted in a style completely different from your project. Some lines use single quotes, others use double quotes. Indentation is all over the place. Semicolons are inconsistent. The code works, but it looks messy mixed with your other code. You are working on a large JavaScript project with a team. Everyone formats code differently. Some developers use 2 spaces for indentation, others use 4. Some add spaces after colons in objects, others do not. The codebase becomes a chaotic mix of styles, making reviews difficult and maintenance frustrating. You inherited a project with thousands of lines of unformatted JavaScript. Finding bugs is nearly imp...