var age = 26;
var beverage = (age >= 21) ? "Beer" : "Juice";
console.log(beverage); // "Beer"
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One common usage is to handle a value that may be null
:
let greeting = person => {
let name = person ? person.name : `stranger`
return `Howdy, ${name}`
}
console.log(greeting({name: `Alice`})); // "Howdy, Alice"
console.log(greeting(null)); // "Howdy, stranger"
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