Principle
? Aligning each case with switch(an exception to the curly braces indentation rule).
? Indenting the code within each case.
? Ending each case with a clear break;.
? Avoiding fall-throughs (when you omit the break intentionally). If you‘re absolutely convinced that a fall-through is the best approach, make sure you document such cases, because they might look like errors to the readers of your code.
? Ending the switch with a default: to make sure there‘s always a sane result even if none of the cases matched.
var inspect_me = 0, result = ‘‘; switch (inspect_me) { case 0: result = "zero"; break; case 1: result = "one"; break; default: result = "unknown"; }