<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html" />
<meta name="author" content="bangkit" />
<title>Untitled 4</title>
</head>
<body>
<script type="text/javascript">
var bil=4;
var i= bil;
while(i>0){
var j=1;
while(j<=i-1){
document.write('  ');
j++;
}
var y=1;
while(y<=bil-i+1){
document.write('*');
y++;
}
var l=1;
while(l<=bil-i){
document.write('*');
l++;
}
document.write('<br>');
i--;
}
var i=1;
while(i<=bil)
{
var j=1;
while(j<=i){
document.write('  ');
j++;
}
var y=1;
while(y<=bil-i){
document.write('*');
y++;
}
var l=1;
while(l<bil-i){
document.write('*');
l++;
}
document.write('<br>');
i++;
}
</script>
</body>
</html>
</body>
</html>
2.
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="content-type" content="text/html" />
<meta name="author" content="bangkit" />
<title>Penentu Nilai</title>
</head>
<body>
<script type="text/javascript">
<!--
var nilai = prompt("Masukkan Nilai Anda: ");
if(nilai < 70){
document.write("Nilai Anda: " + nilai);
document.write("<br>");
document.write("Anda Harus Belajar Lagi....!");
}
else if (nilai >= 70 && nilai <= 100){
document.write("Nilai Anda: " + nilai);
document.write("<br>");
document.write("Selamat, Anda Lulus....!");
}
else{
document.write("Salah Memasukkan Nilai");
}
-->
</script>
</body>
</html>
