A Javascript switch statement is used to execute a block of statements based on the switch expression value. It is like an if else if statement.
Syntax:
switch(expression){
case value1:
//Javascript block of statements
break;
case value2:
//Javascript block of statements
break;
...
default:
//Javascript block of statements
break;
}
JavaScript Switch Statement Example:
<html>
<head>
<script>
var today;
switch (new Date().getDay()) {
case 0:
today = "Sunday";
break;
case 1:
today = "Monday";
break;
case 2:
today = "Tuesday";
break;
case 3:
today = "Wednesday";
break;
case 4:
today = "Thursday";
break;
case 5:
today = "Friday";
break;
case 6:
today = "Saturday";
}
document.write("Today is " + today);
</script>
</head>
<body>
</body>
</html>