function somethingAdvanced({topLeft: {x: x1, y: y1}, bottomRight: {x: x2, y: y2}}){

}

function unpackObject({title: title, author: author}) {
  return title + ' ' + author;
}

console.log(unpackObject({title: 'title', author: 'author'}));

var unpackArray = function ([a, b, c], [x, y, z]) {
  return a+b+c;
};

console.log(unpackArray(['hello', ', ', 'world'], [1, 2, 3]));