Meanwhile, the map() method will also call a provided function on every element in the array. This callback is allowed to mutate the calling array. It simply calls a provided function on each element in your array. Well, the forEach() method doesn’t actually return anything (undefined). map() - creates a new array with the results of calling a provided function on every element in the calling array.forEach() - executes a provided function once for each array element.
Let’s first take a look at the definitions on MDN: So, what’s the difference? Map & ForEach Defined If you’ve worked with JavaScript for a little while, you’ve probably come across two seemingly similar Array methods: () and (). Want to learn more Advanced JavaScript? Check out: JavaScript - Understanding the Weird Parts
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