What Is The Short-Circuit Operator in JavaScript && (Logical AND) 2

What Is The Short-Circuit Operator in JavaScript && (Logical AND) 2.js

// && can be used to prevent errors, because the error won't be thrown.
const nullBanana = null
try {
  console.log(nullBanana.length)
} catch (e) {
  console.log(e)
}
// Output: "TypeError: null has no properties."

// Using && short-circuits the code, so the TypeError doesn't occur.
nullBanana && console.log(nullBanana.length)
// Nothing happens, since we never reach the nullBanana.length code.

// Both null and undefined are falsy values commmonly used with &&.
let banana // undefined
banana && "🍌" && console.log(banana.length) // nothing happens

// In comparison, strings are truthy, except for "" the empty string.
"🍌" && console.log("🍌") // 🍌