Microsoft invented XmlHttpRequest during the time that they had the dominant browser.
Ability to make HTTP requests from JavaScript can hardly be described as innovation -- all the other languages had this far earlier. The innovation, though, was using XHR to create highly dynamic web applications without refreshing page, and it wasn't Microsoft that started doing it at large scale.
Ability to make HTTP requests from JavaScript can hardly be described as innovation -- all the other languages had this far earlier. The innovation, though, was using XHR to create highly dynamic web applications without refreshing page, and it wasn't Microsoft that started doing it at large scale.