Given the following JavaScript code: <script language=javascript type=\"text/jav

Question

Given the following JavaScript code:

<script language=javascript type="text/javascript">

                for (i=0;i < 10; i++) {

          document.write(i);

         }

    </script>

• What is the output? • How would you modify the code so that it prints the numbers backwards? Please list your codes. • How would you modify the code so that it prints only the even numbers? Please list your codes. • How would you modify the code so that it sums all the values of i and prints the final sum? Please list your codes.

Explanation / Answer

OUTPUT:

0123456789

Program toprints the numbers backwards

<script language=javascript type="text/javascript">
for (i=10;i > 0; i--) {
document.write(i);
}
</script>

Output:

10987654321

Program to prints only the even numbers:

<script language=javascript type="text/javascript">
for (i=10;i > 0; i--) {
if(i%2==0){ #Checking for even numbers
document.write(i);
}
}
</script>

Output:

108642

Program to sums all the values of i and prints the final sum:

<script language=javascript type="text/javascript">
sum = 0;
for (i=10;i > 0; i--) {
sum = sum + i; #adding i values
}
document.write(sum);
</script>

Output:

55

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