asd

<html>
<body>
<pre>
<script language="javascript">
var baris, i=0;
var nilai=prompt("Tinggi : ", 5);
var tinggi=parseInt(nilai);

for (baris=1; baris<=tinggi; baris++) {
	for (i=0; i<=tinggi-baris; i++) {
		document.write(" ");
	}
	for (i=1; i<=2*baris; i++) {
		document.write("*");
	}
	document.write("\n");
}
</script>
</pre>
</body>
</html>