With a traditional application, you may have to listen for changes in the data, process it, and update the DOM yourself using something like jQuery. This is an imperative style, because you are specifying what and how the DOM should change based on the data. For example, on the user search page, when the results come in, it looks like this:
listener('searchResult', function (users) { users .map(user => document.createTextNode(users.name.first + users.name.last)) .foreach(node => document.getElementById('userList').appendChild(node))});
In contrast, React uses a declarative style, which means you don't need to handle the DOM update itself. You simply declare how you want the data to be processed and displayed, and React ...
