console.log("===================4.9 Destructuring value=====================") console.log("an Example") let arr = ["John", "Smith"] let [firstName, surname] = arr; console.log(firstName); console.log(surname); console.log("can be used in any iterable variables, like set, string") let [a,b,c] = "abc"; let [one, two, three] = new Set([1, 2, 3]);