Omitting the second expression when using the if-else shorthand

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What you have is a fairly unusual use of the ternary operator. Usually it is used as an expression, not a statement, inside of some other operation, e.g.:

var y = (x == 2 ? "yes" : "no");

So, for readability (because what you are doing is unusual), and because it avoids the “else” that you don’t want, I would suggest:

if (x==2) doSomething();

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