Javascript switch statement is used to execute one of code block out of multiple code block.
Syntax
switch(condition) {
case value1: code block 1 break;
case value2: code block 2 break;
.
.
.
case valuen: code block n break;
default: code execute when no condition is matched. }
Example
var rgbColor;
switch(color)
{
case "Blue": alert("Blue"); break;
case "Green": alert("Green"); break;
case "Red": alert("Red");
break;
default: alert("Not an RGB Color"); }