js some in array code example

Example 1: add all elements in array javascript

console.log(
  [1, 2, 3, 4].reduce((a, b) => a + b, 0)
)
console.log(
  [].reduce((a, b) => a + b, 0)
)

Example 2: javascript array some

let array = [1, 2, 3, 4, 5];

//Is any element even?
array.some(function(x) {
  return x % 2 == 0;
}); // true