1. What This Topic Is A javascript beautifier is a tool or process that reformats JavaScript code to make it easier for humans to read. It adds spacing. It fixes indentation. It organizes line breaks. It does not change what the code does. A javascript formatter or js formatter performs the same core function. Terms like beautify js , beautify js code , and code beautify javascript all refer to this same idea. The goal is readability. Not performance. Not correctness. 2. Why This Topic Exists JavaScript often becomes hard to read. Minified files. Auto-generated code. Legacy projects. Poor formatting habits. People search for ways to beautify javascript online or use a javascript formatter online because messy code slows down understanding. When code is readable: Bugs are easier to spot Logic is easier to follow Collaboration improves Beautification exists to reduce cognitive load. 3. The Core Rule or Model Beautification follows simple form...