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//Switch Case (String)

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Switch Case (String)


  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 String:- In Switch String we use words and numbers in "duble quotes".
  11. var a = 30;
  12. var b = 20;
  13. var c;
  14. var string = "six"; //which case you want to execute 'Enter' case.

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

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

  32. case "three":
  33. {
  34. c = a / b;
  35. document.write("the division a / b is:"+c+"<br>");
  36. break;
  37. }

  39. case "four":
  40. {
  41. c = a * b;
  42. document.write("the multiplication a * b is:"+c+"<br>");
  43. break;
  44. }

  46. case "five":
  47. {
  48. c = a % b;
  49. document.write("the modulos a % b is:"+c+"<br>");
  50. break;
  51. }

  53. default:  //If none of the case label values matches to the value of the expression, then default part statement will be executed.
  54. {
  55. document.write("plz enter valid value");
  56. break;
  57. }
  58. }
  59. </script>
  60. </body>
  61. </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