An Introduction to The Page Visibility API

Published: September 19, 2013
Excerpt: “The days of browsing the web using a single window (or tab) are long gone. Most of us now browse with multiple windows and/or tabs open at the same time. As developers we have never had a way of telling whether our web page is visible to the user or if it’s buried away amongst a stack of inactive tabs.”

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Posted in HTML, Javascript