Iterate over Array in JavaScript
In this tutorial we are going to discuss various ways of iterating over an array in JavaScript. This will provide you with a good understanding of exactly how to iterate over an array in JavaScript.
Let’s define an array of cities for this article.
let cities = ["Manchester", "Milan", "Moscow", "Montreal"];
Traditional for loop
for(var i=0; i < cities.length; i++) { console.log(cities[i]); } //Manchester //Milan //Moscow //Montreal
Array forEach
cities.forEach(city => { console.log(city); }) //Manchester //Milan //Moscow //Montreal
Array Map()
cities.map(city => console.log(city)); //Manchester //Milan //Moscow //Montreal