July 2013
Intermediate to advanced
382 pages
6h 56m
English
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XMLHttpRequest
XMLHttpRequest() is an object (a constructor function) that allows you to send HTTP requests from JavaScript. Historically, XMLHttpRequest (or XHR for short) was introduced in IE and was implemented as an ActiveX object. Starting with IE7 it's a native browser object, the same way as it's in the other browsers. The common implementation of this object across browsers gave birth to the so-called Ajax applications, where it's no longer necessary to refresh the whole page every time you need new content. With JavaScript, you can make an HTTP request to the server, get the response, and update only a part of the page. This way you can build much more responsive and desktop-like web pages.
Ajax stands for Asynchronous JavaScript and ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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