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forEach()

Executes a function for each array element​

let numbers = [1, 2, 3, 4];

let execute = function(n) {
  console.log(n);
}

numbers.forEach(execute);

// Output:
// 1
// 2
// 3
// 4

Move function inside forEach()​

let numbers = [1, 2, 3, 4];

numbers.forEach(
  function(n) {
    console.log(n);
  }
);