After reading this book, you will probably be eager to start a new project to put into practice everything that you have learned so far. At this point, you should be able to write a small web application using TypeScript and resolve the potential design-time issues that you might encounter.
However, as your new project grows, and you develop more complex features, you might encounter some runtime issues. This chapter should provide you with the missing knowledge that will help you to resolve runtime issues.
We have only briefly mentioned the TypeScript runtime in the preceding chapters, but depending on your background, you may already know a lot about it, because the TypeScript runtime is the JavaScript runtime.
TypeScript is only used at design time; the TypeScript code is then compiled into JavaScript and finally executed at runtime. The JavaScript...