Answers for "js destructure into existing variable"

js Destructuring arguments

const circle = {
  label: 'circleX',
  radius: 2,
};

const circleArea = ({ radius }, [precision = 2]) =>
  (Math.PI * radius * radius).toFixed(precision);

console.log(
  circleArea(circle, [5]) // 12.56637
);

destructuring assignment in javascript

// destructuring assignment in javascript
// object destructuring
let person = { 
    name: "Chetan", 
    age: 30, 
    country: "India" 
};
const { name, age } = person;

console.log(name);
//expected output: "Chetan"

console.log(age);
//expected output: 30

console.log(country);
//expected output: Uncaught ReferenceError: country is not defined

// Array destructuring
const num = [1,2,3];
const [one, two, three] = num;
console.log(one); // 1
console.log(two); // 2
console.log(three); // 3