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forEach with Arrow function

1 - simple forEach​

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

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

numbers.forEach(execute);

2 - forEach with arrow​

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

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

numbers.forEach(execute);

3 - forEach with arrow inside​

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

numbers.forEach((n) => {
  console.log(n);
});

4 - forEach with arrow inside - one line​

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

numbers.forEach((n) => console.log(n));