X-Origin Resources

The browser’s inclusion of the XMLHttpRequest object offers front-end developers a means of interchanging data simply, with the use of JavaScript. Prior to Ajax becoming a highly recognized term, the exchange of data was primarily made possible through a series of full-page requests. Only through front-end hacks could data appear to be loaded-in dynamically. Therefore, when it became possible to make HTTP requests from within JavaScript, it instantly became a hot topic.