javascript example of foreach loop

var colors = ["red", "blue", "green"];
colors.forEach(function(color) {
    console.log(color);
});

const numList = [1, 2, 3];

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

groceries.forEach(groceryItem => console.log(groceryItem));

listName.forEach((listItem) => {
  Logger.log(listItem);
}):

let marks = [12, 17, 14]
let sum = 0

marks.forEach(mark => {
  sum += mark;
});