Learning JavaScript: A Hands-On Guide to the Fundamentals of Modern JavaScript

9. Code Organization

Don’t skip this chapter—it’s really important. If we were sitting next to each other or in a classroom setting, this is the point where I would ask if what we just went over made sense. All the previous chapters have given you the knowledge you need to do all the basics of JavaScript. Along the way we have addressed many of the action-oriented aspects of the language. You have a function or method, and an action is directly tied to it. getElementById() accesses the DOM; you know that now. You also know that using an if/else statement sets a custom condition to execute a block of code. You learned how to add, remove, and read items from an array either directly or by looping through them. You even know how to create functions ...