how do i loop through named array of objects javascript code example

Example 1: js loop through associative array

var months = [];
months["jan"] = "January";
months["feb"] = "February";
months["mar"] = "march";

for (var key in months) {
    var value = months[key];
    console.log(key, value);
}

Example 2: javascript loop through array of objects

let arr = [object0, object1, object2];

for (let elm of arr) {
  console.log(elm);
}