PhilippSoehnlein

/* modernizr-test_position_fixed_ios.js
* Original by Daniel Ott (https://gist.github.com/1333800)
* 3 March 2011
* Updated by Philipp Söhnlein 3 November 2011
* Custom Tests using Modernizr's addTest API
*/

/* iOS
* There may be times when we need a quick way to reference whether iOS is in play or not.
* While a primative means, will be helpful for that.

PhilippSoehnlein

/** 
 * A simple demo on how the new Intersection Observer API can be used to lazy load images.
 * https://developer.mozilla.org/en-US/docs/Web/API/Intersection_Observer_API
 *
 * Intersection Observer is available in most modern browsers and there's a decent polyfill, too:
 * https://github.com/WICG/IntersectionObserver/tree/gh-pages/polyfill
 */

let imageNodes = [];