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XML and Web Services Training Courses
Onsite, Custom, Lowest Price.

The smartest, most effective way to improve your team’s XML, SOAP, Web Services, RESTful skills, quickly.  Pricing is more advantageous with 3 or more students, than a public class.  

We never sell or trade your name.  Our mission is to provide you with the best training, coaching and consulting available so your team completes projects quicker, with less errors, and in better harmony.  That mission starts with trust.  You can fill out an information request form, request a meeting or simply contact us at the bottom of this page.

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AJAX (Asynchronous JavaScript + XML) – How it works – via Upwork

AJAX (Asynchronous JavaScript + XML) is a group of interrelated client- and server-side development technologies that allows parts of a webpage to be updated without having to reload the entire page—think of sites like YouTube, Google Maps, Gmail, and tabs within Facebook. It changed usability and the speed of web applications with its innovative concept: asynchronously exchanging small amounts of data with the server behind the scenes, without affecting the rest of the page.  AJAX makes features like drop-down menus, predictive text, auto-filled text, and more possible, all without clicking Refresh. What it means for servers is less stress on the network and faster operations. That’s the core benefit of AJAX-enabled sites: overall, they’re more responsive and very efficient on both sides.

HOW DOES AJAX WORK?

AJAX calls are asynchronous, meaning they’re made behind the scenes, independently from each other and the site as a whole. When a browser makes an AJAX call to the server, it isn’t stuck waiting for a response, halting all of the site’s functionality. Instead, the web service on the server will send the data back to the browser once the task is completed, where client-side scripts will process the response and deliver it to the user.
For example: If you want to give a movie on Netflix a star rating, you can click the rating, it will show up immediately, and the rating gets stored in your profile, all without any other changes to the page. That’s AJAX in action.

Callbacks vs. Postbacks.

Pre-AJAX, the rules for client calls to the server—basically, anything the browser requests from a database to make a site responsive—were “postbacks,” plus server-side processing. Post-AJAX, the browser can “callback,” requesting small amounts of data directly from the server—all without needing to wait for a postback.

MindIQ offers a comprehensive curriculum of courses in XML and related technology, including courses in using XML from Java applications, and courses in SOAP/WSDL Web services.

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