3 ways to iterate over arrays

gistfile1.txt

var a = [1, 2, 3, 4, 5];

// standard for loop
for (let i = 0; i < a.length; i++) {
  console.log(a[i]);
}

// from ES5
a.forEach(function(item) {
  console.log(item);
});

// from ES6
for(let item of a) {
  console.log(item);
}