Page 329 - Web Applications (803) Class 11
P. 329

<P style="color:blue;">
                   <SCRIPT>
                   var num=parseInt(prompt("Enter a number"));
                   for (i = 2; i <= num; i+=2) {
                   document.write(i+"<BR><BR>"); }
                   </SCRIPT>
                   </P>
                   </BODY>
                   </HTML>
                 Output:


















                 When you click on the “OK” button, with the message “This page says”. Then a new windows appears as shown below:


























                 Example:
                   <HTML>
                   <BODY text=”green”>
                   <h2> program to accept a number and display its factorial </H2>
                   <P style="color:blue;">
                   <script>
                   var num=parseInt(prompt("Enter a number"));
                   var fact=1
                   for (i = num; i > 0; i--) {
                     fact=fact*i;  }
                   document.write("The factorial of "+num+" is "+fact);


                                                                      Introduction to Dynamic Websites Using JavaScript  327
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