I never thought I needed this. But, for a project, the site wants the user to read a specific text on the page while showing progress of a task (upload, etc). So I created a lib out of it. Even without progress, could also be useful to direct attention to an important text on a page. Github: <a href="https://github.com/pshihn/lumin" rel="nofollow">https://github.com/pshihn/lumin</a><p>I'm sure there are still lot of kinks in it.