The basic idea of PJAX is that you update only the parts of the page that change when the user navigates through your app. However, unlike a normal AJAX app that returns only data (JSON) from the server, a PJAX request actually contains normal HTML that has been generated on the server
I thought it would be interesting to list the release history for major versions of each of the big browsers. Two factors that I believe will play a role in eventually abolishing browser version numbers are the rapid release schedule, and auto-updating -- both of which, if I'm not mistaken, are Google Chrome inventions.
The aim of this document is to get you started with developing applications for Node.js, teaching you everything you need to know about "advanced" JavaScript along the way. It goes way beyond your typical "Hello World" tutorial. You are reading the final version of this book, i.e., updates are only done to correct errors or to reflect changes in new versions of Node.js.