Switch Case tutorial in JavaScript
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<title>Switch Case Statement JavaScript</title>
<script>
var day = 8;
switch (day) {
case 0:
document.write("Today is Monday<br>");
break;
case 1:
document.write("Today is Tuesday<br>");
break;
case 2:
document.write("Today is Wednesday<br>");
break;
case 3:
document.write("Today is Thursday<br>");
break;
case 4:
document.write("Today is Friday<br>");
break;
case 5:
document.write("Today is Saturday<br>");
break;
case 6:
document.write("Today is Sunday<br>");
break;
default:
document.write("Invalid Day<br>");
break;
}
// Example 2
var number = 5;
switch (number) {
case 0: case 1: case 2:
document.write("Thi is valid number containing 0,1 and 2");
break;
case 3:
document.write("This is number 3<br><br>");
break;
case 4:
document.write("This is number 4<br><br>");
break;
case 5:
document.write("This is number 5<br><br>");
break;
case 6:
document.write("This is number 6<br><br>");
break;
case 7:
document.write("This is number 7<br><br>");
break;
case 8:
document.write("This is number 8<br><br>");
break;
case 9:
document.write("This is number 9<br><br>");
break;
case 10:
document.write("This is number 10<br><br>");
break;
default:
document.write("This is default number which is executed instead of above<br><br>");
break;
}
// Example 3
var age = 18;
switch (true) {
case (age >= 15 && age <= 20):
document.write("You are not Eligible<br><br>");
break;
case (age >= 21 && age <= 30):
document.write("You are Eligible<br><br>");
break;
default:
document.write("This is default age which is executed instead of above<br><br>");
break;
}
</script>
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