m1k3yfoo/konami-cheat-code.html

## konami-cheat-code.html
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Key Detection</title>
  <script type="text/javascript" src="http://www.cornify.com/js/cornify.js"></script>
</head>
<body>
<script>
  const typed = [];
  // Konami cheat code sequence
  // Array of keyCode for up, down, up, down, left, right, left, right, B, A, B
  const secretCodeArr = [38, 40, 38, 40, 37, 39, 37, 39, 66, 65, 66];
  const secretCodeStr = '3840384037393739666566';
  window.addEventListener('keyup', (e) => {
    console.log(e);
    typed.push(e.keyCode);
    // Counting from the end 7 characters (assuming secretCode is 6 letters), the 2nd parameter is deleteCount
    typed.splice(-secretCodeArr.length - 1,
      typed.length - secretCodeArr.length);
    console.log(typed);

    // Converts
    if (typed.join('').includes(secretCodeStr)) {
      cornify_add();
    }

    let myFish = ['angel', 'clown', 'mandarin', 'surgeon'];
    // removes 2 elements from the second postion from the end
    let removed = myFish.splice(-2, 2);
    console.log(removed); // Returns ['mandarin', 'surgeon'];
    console.log(myFish); // Returns ['angel', 'clown'];
  });
</script>
</body>
</html>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<title>Key Detection</title>
	<script type="text/javascript" src="http://www.cornify.com/js/cornify.js"></script>
	</head>
	<body>
	<script>
	const typed = [];
	// Konami cheat code sequence
	// Array of keyCode for up, down, up, down, left, right, left, right, B, A, B
	const secretCodeArr = [38, 40, 38, 40, 37, 39, 37, 39, 66, 65, 66];
	const secretCodeStr = '3840384037393739666566';
	window.addEventListener('keyup', (e) => {
	console.log(e);
	typed.push(e.keyCode);
	// Counting from the end 7 characters (assuming secretCode is 6 letters), the 2nd parameter is deleteCount
	typed.splice(-secretCodeArr.length - 1,
	typed.length - secretCodeArr.length);
	console.log(typed);

	// Converts
	if (typed.join('').includes(secretCodeStr)) {
	cornify_add();
	}

	let myFish = ['angel', 'clown', 'mandarin', 'surgeon'];
	// removes 2 elements from the second postion from the end
	let removed = myFish.splice(-2, 2);
	console.log(removed); // Returns ['mandarin', 'surgeon'];
	console.log(myFish); // Returns ['angel', 'clown'];
	});
	</script>
	</body>
	</html>