Problems before React

Web development is a trade that can sometimes be incredibly confusing and complex. The act of getting the buttons, pictures, and text that we see on a website is not always a simple endeavor.

Think about a web page with a little form to log into your account. You have at least two text boxes, usually for your username and your password, where you need to enter your details. You have a button or link that allows you to log in after the details have been entered, with maybe at least one extra little link in case you forget your password. You probably also have a logo for this site you are logging into, and maybe some sort of branding or otherwise compelling visual elements. Here is an example of a simple login page:

Figure 1.1: Login form

All of that doesn't just exist, though. A web developer needs to sit down and build each of these pieces and put them together in such a way so that the audience visiting that site can interact...