With all the HTML5 JavaScript poster childs like requestAnimationFrame, canvas, FileReader and many more, the PageVisibility API is an often overlooked but pretty useful addition to your tool belt.
Read our blog post on that topic to learn more about it.
It looks like you have been away for seconds.
Did you know that:
It looks like your browser does not support the PageVisibility API.
Do you want to:
It looks like your browser supports the PageVisibility API.
Now leave the tab and come back to see it in action.
