codeup-web-exercises/konami.html at main · ryanmurray3/codeup-web-exercises · GitHub

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<!DOCTYPE html>
<html>
<head>
	<title>Konami Code</title>
</head>
<body>
<h1>Konami Code</h1>

<script>
	"use strict";

	document.addEventListener("keyup", event => console.log(event.key) );

	let keySequence = [];

	document.addEventListener('keydown', function(event) {
		keySequence.push(event.key);

		if (keySequence.join('') === 'ArrowUp,ArrowUp,ArrowDown,ArrowDown,ArrowLeft,ArrowRight,ArrowLeft,ArrowRight,KeyB,KeyA,Enter') {
			alert("You did it!");
			keySequence = []; // Reset the key sequence
		}
	});


</script>
</body>
</html>

<!--Allow the user to enter the Konami Code: "↑ ↑ ↓ ↓ ← → ← → b a enter" (the return key)-->
<!--Find the matching sequence using the code above for each key in the Konami Code.-->
<!--Don't worry about capital a or b just check for lowercase.-->
<!--After the correct Konami Code sequence is inputted, have the script alert the user: "You have added 30 lives! Other ideas:-->
<!--Change the background screen.-->
<!--Play a sound.-->
<!--Be creative!-->