Web Services often bear responsibility of the tier of business logic in the web application development. As far as various AJAX solutions are concerned, there exists the similar requirement. In this article, we have only examined three seemingly distinct yet relative solutions of consuming Web Services in the AJAX way with three basic samples. Nearly two years have passed since the great "AJAX" dazzled people's eyes. Maybe, the great Web 2.0 eve has just begun; so there is too much for us to explore, as well as the famous Web Services.