jQuery Plugins : Viewport

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  jQuery Plugins On Screen Screen Library Viewport

  OnScreen

  A light library that does stuff when the matched elements enter or leave the viewport. Tested to work in IE9+, Edge, Gecko, Blink, and Webkit.

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  jQuery Plugins jQuery Viewport

  isInViewport.js

  An ultra-light jQuery plugin that tells you if the element is in the viewport, but with a twist.

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