(condition) ? (if true, do this) : (otherwise, do this)

 var age = 19;
var canDrive = age > 16 ? 'yes' : 'no';

condition ? consequent : alternative
var rand = new Random();
var condition = rand.NextDouble() > 0.5;
var x = condition ? 12 : (int?)null;
https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/conditional-operator

if (x === 5 || x === 7 || x === 10 ||x === 20) { // run my code
}

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bCondition1 && bCondition2

function checkEqual(a, b) { return a !== b ? "Equal" : "Not Equal";
}