javascript do for each element in array code example

Example 1: for each array javascript

var fruits = ["apple", "orange", "cherry"];
fruits.forEach(getArrayValues);

function getArrayValues(item, index) {
  console.log( index + ":" + item);
}
/*
result:
0:apple
1:orange
2:cherry
*/

Example 2: perform a function on each element of array javascript

var new_array = old_array.map(function(e) { 
  e.data = e.data.split(','); 
  return e;
});