Enum is used to define a human-readable name for a specify number or string. The method to use an enum is to put its value into the switch statement. The below program will determine whether a light is on or off using Enum.<\/p>\n
\r\nenum LightSwitch {\r\n On,\r\n Off\r\n}\r\n<\/pre>\nThe above enum has two values, the on and off state for a light switch.<\/p>\n
\r\nfunction lightOnOff(state : LightSwitch) {\r\n switch(state) {\r\n case LightSwitch.On:\r\n console.log("Light's On!")\r\n break\r\n case LightSwitch.Off:\r\n console.log("Light's Off!")\r\n break\r\n }\r\n}\r\n\r\nlightOnOff(LightSwitch.On) \/* Light's On! *\/\r\nlightOnOff(LightSwitch.Off) \/* Light's Off! *\/\r\n<\/pre>\nAs the user entered the type LightSwitch enum value (on or off) into the above function, the switch statement will print the state of the light switch accordingly.<\/p>\n","protected":false},"excerpt":{"rendered":"
Enum is used to define a human-readable name for a specify number or string. The method to use an enum is to put its value into the switch statement. The below program will determine whether a light is on or off using Enum. enum LightSwitch { On, Off } The above enum has two values,…<\/p>\n