如何强制浏览器窗口始终位于顶部且处于焦点位置

Is there a way to force a browser window to always be on top and in focus? I am working on a project that I need to have the browser window on top and in focus all the time except when closing the browser window. I have tried a few things through javascript, but have not had any success keeping the window in focus. Is there a way to force a browser window to alw