Crossbrowser & lightweight way to check if user is looking at the page or interacting with it.
https://github.com/serkanyersen/ifvisible.js
origin - http://www.pipiscrew.com/?p=5921 js-ifvisible
Crossbrowser & lightweight way to check if user is looking at the page or interacting with it.
https://github.com/serkanyersen/ifvisible.js
origin - http://www.pipiscrew.com/?p=5921 js-ifvisible