loop_1.4

<script type="text/javascript>
var i,j;
for(i=1;i<=6;i++)
{
for(j=1;j<=i;j++)
{
if(j%2==1)
{
document.write("*");
}
else
{
document.write("#");
}
}
document.write("
");
}
</script>

The Output is Given Below:

*
*#
*#*
*#*#
*#*#*
*#*#*#