kosso · November 19, 2016 12:42
diff --git a/random_colours.html b/random_colours.html
 <html>
 <head>
 	<title>Random background colours with appropriate text colour.</title>

 	<script type="text/javascript">


 		function randomColor(){
 		  return '#'+(function lol(m,s,c){return s[m.floor(m.random() * s.length)] + (c && lol(m,s,c-1));})(Math,'0123456789ABCDEF',4);
 		}

 		function isDark(_color,threshold){
 			var c = _color.substring(1);	// strip #
 			var rgb = parseInt(c, 16);		// convert rrggbb to decimal
 			var r = (rgb >> 16) & 0xff; 	// extract red
 			var g = (rgb >>  8) & 0xff;		// extract green
 			var b = (rgb >>  0) & 0xff;		// extract blue

 			var luma = 0.2126 * r + 0.7152 * g + 0.0722 * b; // per ITU-R BT.709
 			var factor = threshold || 128;
 			return luma < factor;
 		};

 		function createBGFGColors(){
 			
 			var _b = randomColor();
 			var _f = '#000000';
 			if(isDark(_b)){
 				_f = '#FFFFFF';
 			}
 			return {foreground:_f, background:_b};
 		}

 		function init(){

 			var fg = createBGFGColors();

 			document.body.style.color = fg.foreground;
 			document.body.style.backgroundColor = fg.background;

 		}

 	</script>

 </head>
 <body onload="init()">

 <h1>This Is The Title</h1>

 <p>

 	Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec nibh felis, sodales ut nisl vel, porttitor venenatis odio. Duis sit amet sapien vestibulum, aliquam neque in, pharetra odio. Nullam elit sem, consequat in eros eu, iaculis auctor elit. In sed luctus lectus. Aliquam feugiat dolor quis lorem blandit fermentum. Proin blandit lorem eget enim bibendum convallis. Praesent lorem erat, tristique a eros in, tincidunt sodales felis. Donec luctus ut leo in volutpat. Sed euismod diam quis nisi viverra, finibus imperdiet mauris imperdiet. Pellentesque eu convallis sapien. Sed justo ipsum, porta eget mollis eu, pulvinar vel turpis. Sed fringilla ornare enim eu porta.

 </p>


 </body>
 </html>
	<html>
	<head>
	<title>Random background colours with appropriate text colour.</title>

	<script type="text/javascript">


	function randomColor(){
	return '#'+(function lol(m,s,c){return s[m.floor(m.random() * s.length)] + (c && lol(m,s,c-1));})(Math,'0123456789ABCDEF',4);
	}

	function isDark(_color,threshold){
	var c = _color.substring(1); // strip #
	var rgb = parseInt(c, 16); // convert rrggbb to decimal
	var r = (rgb >> 16) & 0xff; // extract red
	var g = (rgb >> 8) & 0xff; // extract green
	var b = (rgb >> 0) & 0xff; // extract blue

	var luma = 0.2126 * r + 0.7152 * g + 0.0722 * b; // per ITU-R BT.709
	var factor = threshold \|\| 128;
	return luma < factor;
	};

	function createBGFGColors(){

	var _b = randomColor();
	var _f = '#000000';
	if(isDark(_b)){
	_f = '#FFFFFF';
	}
	return {foreground:_f, background:_b};
	}

	function init(){

	var fg = createBGFGColors();

	document.body.style.color = fg.foreground;
	document.body.style.backgroundColor = fg.background;

	}

	</script>

	</head>
	<body onload="init()">

	<h1>This Is The Title</h1>

	<p>

	Lorem ipsum dolor sit amet, consectetur adipiscing elit. Donec nibh felis, sodales ut nisl vel, porttitor venenatis odio. Duis sit amet sapien vestibulum, aliquam neque in, pharetra odio. Nullam elit sem, consequat in eros eu, iaculis auctor elit. In sed luctus lectus. Aliquam feugiat dolor quis lorem blandit fermentum. Proin blandit lorem eget enim bibendum convallis. Praesent lorem erat, tristique a eros in, tincidunt sodales felis. Donec luctus ut leo in volutpat. Sed euismod diam quis nisi viverra, finibus imperdiet mauris imperdiet. Pellentesque eu convallis sapien. Sed justo ipsum, porta eget mollis eu, pulvinar vel turpis. Sed fringilla ornare enim eu porta.

	</p>


	</body>
	</html>