if string do once if array do for loop javascript code example

Example 1: loop through array javascript

/* ES6 */
const cities = ["Chicago", "New York", "Los Angeles"];
cities.map(city => {
	console.log(city)
})

Example 2: how to iterate through an array in javascript

const array = ["one", "two", "three"]
array.forEach(function (item, index) {
  console.log(item, index);
});