Dynamic favicon depending on a browser tab focus

Let’s decorate a web page with a favicon that changes depending on the tab focus. When a user opens a page, the tab shows a sample favicon. When the user switches to another tab, the favicon changes. In my illustration the two favicons differ only in colors. When the tab has focus, its favicon is red. When the tab looses focus, the favicon gets white.

Below I describe the three ways to implement dynamic favicons. You can see the…



Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store