Many challenges a JavaScript programmer faces may not be with the language itself but with the ecosystems that their code must exist within and interface with. JavaScript is usually used in the context of the web, on either a browser or server, and so the problem domains encountered are usually characterized by topics such as HTTP and the DOM. We often have to wrestle with frameworks, APIs, and mechanisms that can sometimes seem awkward, unintuitive, and complicated. In this chapter, we're going to familiarize ourselves with some of the most common challenges and the approaches and abstractions we can use to surmount them.
We will begin by exploring the DOM and the challenges inherent in building ambitious Single-Page Applications (SPAs) in JavaScript. We'll then explore the topics of dependency management and security as these are both increasingly...
