A Pen by survivol.

index.html

<section></section>

script.js

		(function() {
			var sec = document.querySelectorAll('section')[0]

			if (!window.requestAnimationFrame) {

				window.requestAnimationFrame = (function() {

					return window.webkitRequestAnimationFrame ||
						window.mozRequestAnimationFrame ||
						window.oRequestAnimationFrame ||
						window.msRequestAnimationFrame ||
						function( /* function FrameRequestCallback */ callback, /* DOMElement Element */ element) {

							window.setTimeout(callback, 1000 / 60);

						};

				})();
			}

			~

			function animate() {
				// console.test:
				! function() {
					return console.log(function() {
						return function() {
							var arr = []
							for (i = 0; i < 6; i++) {
								arr.push(Math.floor(Math.random() * 16 % 16).toString(16))
							}
							return arr.join('')
						}()
					}())
				}()
				var color = (function() {
					var arr = []
					for (i = 0; i < 6; i++) {
						arr.push(Math.floor(Math.random() * 16 % 16).toString(16))
					}
					return arr.join('')
				})()
				sec.style.backgroundColor = '#' + color
				requestAnimationFrame(animate)
			}()

		})();

style.css

section {
  position: absolute;
  left: 0;
  top:0;
  right: 0;
  bottom: 0;
  background-color: #fff;
}

tnlgu.markdown

tnlgu

A Pen by survivol on CodePen.

License.