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Jul 17th, 2018
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  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4.  
  5. <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
  6. <script>
  7. $(document).ready(function() {
  8.     $("body").css("background-color","cyan");
  9.     $("input[type='radio']").on('change',(function() {
  10.         var selected_value = $("input[name=my_options]:checked").val();
  11.         $("body").css("background-color","magenta");
  12.         switch(selected_value)
  13.         {
  14.             case "1":
  15.                 $("body").css("background-color","red");
  16.                 break;
  17.             case "2":
  18.                 $("body").css("background-color","green");
  19.                 break;
  20.             case "3":
  21.                 $("body").css("background-color","blue");
  22.                 break;
  23.             default:
  24.                 $("body").css("background-color","black");
  25.         }
  26.     }));
  27. });
  28. </script>
  29. </head>
  30. <body>
  31.  
  32. <form id="my_radio_box">
  33.     <input type="radio" name="my_options" value="1"> Option 1
  34.     <input type="radio" name="my_options" value="2"> Option 2
  35.     <input type="radio" name="my_options" value="3"> Option 3
  36. </form>
  37.  
  38. </body>
  39. </html>
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