loop_1.6

<script type="text/javascript>
var i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=i+i-1;j++)
{
document.write("*");
}
document.write("
");
}
</script>

The Output is Given Below:

*
***
*****
*******
*********

loop_1.5

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

The Output is Given Below:

1
22
333
4444
55555
666666

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:

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

loop_1.3

<script type="text/javascript>
var i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=i;j++)
{
document.write(6-j);
}
document.write("
");
}
</script>

The Output is Given Below:

5
54
543
5432
54321

loop_1.2

<script type="text/javascript>
var i,j;
for(i=1;i<=14;i++)
{
if(i%2==1)
{
document.write("\\");
}
else
{
document.write("/");
}
}
</script>

The Output is Given Below:

\/\/\/\/\/\/\/ 

loop_1.1

<script type="text/javascript>
var i,j;
for(i=1;i<=5;i++)
{
for(j=1;j<=6-i;j++)
{
document.write(" ");
}
for(j=1;j<=i+i-1;j++)
{
document.write("*");
}
document.write("<br />");
}
</script>

The Output is Given Below:

     *
    ***
   *****
  *******
 *********