why use foreach javascript code example

Example 1: foreach javascript

let words = ['one', 'two', 'three', 'four'];
words.forEach((word) => {
  console.log(word);
});
// one
// two
// three
// four

Example 2: foreach loop javascript

const numList = [1, 2, 3];

numList.forEach((number) => {
  console.log(number);
});

Example 3: foreach javascript

arr.forEach(callback(currentValue [, index [, array]])[, thisArg]);