Page 325 - Web Applications (803) Class 11
P. 325

case "pasta": document.write("Pasta is 80 rupees<br>");
                                     break;
                       case "chowmein": document.write("Chowmein is 100 rupees<br>");
                                        break;
                       default:  document.write("Any other food is not available")
                               }
                   </SCRIPT>
                   </BODY>
                   </HTML>
                 Output:



















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


















                                                 Lab Assignment ‘n Activity                        Computational Thinking




                   1.  Predict the output for the following code:
                       <HTML>
                       <BODY>
                       <SCRIPT>
                       //Calculate area or circumference of circle depending on user choice
                       var radius = prompt("Enter radius of circle");
                       var choice = parseInt(prompt("Enter 1 to calculate area 2 for circumference"))
                       document.write(“Radius Entered: "+radius+"<br> <br>");
                       switch (choice) {
                           case 1: circle_area=3.14*radius*radius;
                                   document.write("Area of Circle "+circle_area+"<BR>");
                                         break;



                                                                      Introduction to Dynamic Websites Using JavaScript  323
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