Using the switch statement

You will end up writing if statements in pretty much every program you ever write, …but sometimes there's a specific situation where it's not the only option…for checking a condition.…Let's say you're checking a variable for a selection of very specific values.…Here is what I mean by that.…We create a variable in this case called grade, and somewhere in the program I…want to check is it Regular or is it Premium or is it Diesel?…I've got a few very specific values I'm asking for.…We can do this as a series of separate self-contained if statements like I have…here or we could even start using the else condition to actually start combining…them altogether, but this can get a little clunky, particularly if you don't just…have three or four but you have 10 or 12.…

Well, in this kind of situation, JavaScript and most other languages have…something called the switch statement instead of the if statement.…Now in some other languages, it's called the select or select case statement,…but it's the ability to list in one place several situations or cases that…