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//condition ? expressionIfTrue : expressionIfFalse
let balance = 20;
balance > 20? "rich" : "broke";
//It is equivalent to if(balance > 20){"rich"} else{"broke"}
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const age = 18;
//condition ? whenTrue : whenFalse
const drink = (age >= 21) ? "beer" : "juice";
console.log(drink) //juice
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// instead of this
yourVariable ? yourVariable : 'bla'
// you can simply do this
yourVariable || 'bla'