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//Switch Case (Character)

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Switch Case (Character) 


  1. <!DOCTYPE html>
  2. <html>
  3. <head>
  4. <meta charset="utf-8">
  5. <title></title>
  6. </head>
  7. <body>
  8. <script type="text/javascript">
  9. //Switch Char:- In switch char we use character for ex. + ,-, *, /, %, @

  11. var a = 30;
  12. var b = 20;
  13. var c;
  14. var ch = '*'; //which case you want to execute 'Enter' case value.

  16. switch(ch)
  17. {
  18. //Addition
  19. case "+":  //the case label must be end with colon(:)
  20. {
  21. c = a + b;
  22. document.write("the add of a + b is:"+c+"<br>");//"<br>" use for linebreak.
  23. break; //It's necessary to use break after each block.
  24. }

  26. //Subtract
  27. case "-": //case label must be unique.
  28. {
  29. c = a - b;
  30. document.write("the subtraction a - b is:"+c+"<br>"); // document.write() use for print line.
  31. break; //if you don't use it, then all cases executed.
  32. }

  34. //Division
  35. case "/":
  36. {
  37. c = a / b;
  38. document.write("the division a / b is:"+c+"<br>");
  39. break;
  40. }

  42. //Multiplicaton
  43. case "*":
  44. {
  45. c = a * b;
  46. document.write("the multiplication a * b is:"+c+"<br>");
  47. break;
  48. }

  50. //Modulus
  51. case "%":
  52. {
  53. c = a % b;
  54. document.write("the modulos a % b is:"+c+"<br>");
  55. break;
  56. }


  59. default: //If none of the case label values matches to the value of the expression, then default part statement will be executed.
  60. {
  61. document.write("plz ente valid value");
  62. break;

  64. }


  67. }
  68. </script>
  69. </body>
  70. </html>


//Execute


//Output

/*

a = 30; b = 20;


case +: c = a + b;

the value of a+b is:50


case -: c = a - b;

the value of a-b is:10


case /: c = a / b;

the value of a/b is:1


case *: c = a * b;

the value of a*b is:600


case %: c = a % b;

the value of a%b is:10

*/






                              //ThE ProFessoR