With JavaScript Introduction If you have the Yahoo mail account, you might have noticed that Yahoo offers two different web pages for the same page information. What interests us in this article is that the two web pages have different screen resolutions. At the long run you are served the page that suits your resolution, after the resolution of your screen has been determined by code. In this article, I show you how to use JavaScript to determine the screen resolution of the client’s computer... Sign in to see full entry.