spread_syntex.js

alert( Math.max(3, 5, 1) ); // 5

let arr = [3, 5, 1];
alert( Math.max(arr) );

let arr = [3, 5, 1];
alert( Math.max(...arr) ); // 5 (spread turns array into a list of arguments)


// --------------------------------------------
function sum(x, y, z) {
  return x + y + z;
}

const numbers = [1, 2, 3];

console.log(sum(...numbers));
// expected output: 6

console.log(sum.apply(null, numbers));
// expected output: 6
// --------------------------------------------