Btw, Why should I know all this? The roles and responsibilities of full stack marketer
Difference between Jquery and Ajax
Jquery simplifies some tedious tasks like manipulating the DOM((search and interact with the DOM), adding some effects and animations and most importantly doing it in a cross browser fashion. One of the tasks that is simplified by jQuery is AJAX which is a concept allowing a browser to send an asynchronous request to a web server allowing for richer web applications. jQuery implements a high-level interface to do AJAX requests abstractly thereby giving multi-browser support in making the request.
So, Ajax is a technology paradigm, whereas jquery is a library so can’t compare them.
It is a method to dynamically update parts of the UI without having to reload the page – to make the experience more similar to a desktop application.
To sum up:
jQuery is for simplifing common tasks with AJAX and page manipulation (style, animation, etc.)