CHAPTER 1 Basic Formatting At the core of a style guide are basic formatting rules. These rules govern how the code is written at a high level. Similar to the ruled paper used in schools to teach writing, basic formatting rules guide developers toward writing code in a particular style. These rules often contain information about syntax that you may not have considered, but every piece is important in creating a coherent piece of code. Indentation Levels The first decision to be made about your JavaScript style guidelines (and indeed, about those of most languages) is how to handle indentation. This is one of those topics on