Switch Statement with calculation : Switch « Statement « JavaScript Tutorial

<html>
<head>
<title>Switch Statement Demo</title>

<script language="javascript" type="text/javascript">
<!--

switch (1+1){
  case "a":
    alert(1);
  case 2:
    alert(2);
  case true:
    alert(3);
}

//-->
</script>

</head>
<body>

<h1>Switch Statement Demo</h1>

</body>
</html>

3.5.Switch
	3.5.1.	Using the switch Structure
	3.5.2.	Use switch statement to deal with form input value
	3.5.3.	Switch statement with return value from a prompt dialog
	3.5.4.	Switch statement with default value
	3.5.5.	Switch with boolean value
	3.5.6.	Switch Statement with Integer as the control variable
	3.5.7.	Switch Statement with calculation