Untitled

<html>
<head>
	<title>Trójkąta</title>
	<meta charset="UTF-8">
	<!--link rel="stylesheet" href="style.css"-->
	<style>
		body{
		display:flex;
		align-items:center;
		justify-content:center;
		font-family:Arial;
		}
	</style>
</head>
<body>
	<div>
		<h1>Sample Text</h1>
	</div>
	<script>

		 let x = prompt("Wprowadź x", 0),
		 y = prompt("Wprowadź y", 0);
		 const h = document.querySelector("h1");

		 function comp(a, b){
			for(let i = a-1; i>0; i--){
				if(a%i==0 && b%i==0){
					return i;
				}
			}
		 }

		 comp(x, y);

		 let nww = (x*y)/comp(x, y);
		 h.innerHTML = nww;

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

Mr. Kaminsky