Full Screen Video Resize Fill

fullscreenvideo.js

      var video = $('#video');
			var resizeVideo = function() {
				var w = $("body").prop("clientWidth");
				var h = window.innerHeight;
				var ratio = 0.5625; // 720x1280 or 1080x1920
				if (h/w > ratio) {
					var width = ((h/720) / (w/1280)) * 100;
					video.css('width', width + '%');
					video.css('height', '100vh');
				} else {
					var height = ((w/1280) / (h/720)) * 100;
					video.css('width', '100%');
					video.css('height', height + 'vh');
				}
			}
      
      $(window).resize(function() {
				resizeVideo();
			});