News from e-Learning companies
Udacity: What is a web application?
Web applications, or web apps, are a huge part of the way the internet works! Facebook, Gmail (or any popular email website), and even Udacity’s classroom are examples of popular web apps. Let’s look at the big picture to see how web apps serve you dynamic web page content as you browse the internet. First, let’s look at the difference between dynamic and non-dynamic websites. When visiting non-dynamic websites, your web browser will make the initial HTTP requests to download the HTML, CSS, and other files needed to create the initial webpage that you want to browse. But, once the web page is loaded, the web browser or the website won’t send any more HTTP requests to the web server to ask updates. What you see is what you get…until you click the refresh button.On the other hand, dynamic web apps know how to build or update themselves on demand. More specifically, dynamic web apps often use JavaScript, Ajax, and/or long polling to make HTTP requests to…