Use of SWICH 

        
<!doctype html>
<html>
   <head>
       <title>Use of SWICH</TITLE>
   </HEAD>
   <body>
       <h1>Use of SWICH</h1>
       <form name="f1">
           Enter value:<input type="number" name="nday">
           <input type="submit" value="Display day" onClick="display()">
       </form>
    </body>
    <script language="Javascript">
          function display()
          {
              var day;
              day=f1.nday.value;
              switch(day)
              {
                   case 1:
                          alert("MONDAY");
                   break;
                   case 2:
                          alert("TUESDAY");
                   break;
	           case 3:
                          alert("WEDNESDAY");
                   break;
		   case 4:
                          alert("THURSDAY");
                   break;
		   case 5:
                          alert("FRIDAY");
                   break;
		   case 6:
                          alert("SATURDAY");
                   break;
		   case 7:
                          alert("SUNDAY");
                   break;
                   DEFAULT:
                          alert("Please enter value between 1 to 7");
               }
          }
</script>
</html>

Enter value:

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