Array.prototype.map() is a method that iterates over an array and applies ... We'll also use this as a chance to demonstrate some of the power of functions in JavaScript. We'll write the code four ...

The map method iterates over an array and modifies its element using a callback function. This callback function is applied to each element of the array. The Array.prototype.map() method iterates over ...

Learn how to use JavaScript’s map() method to transform arrays like a pro—in just 100 seconds. We’ll show you how it works, where it shines, and give you examples that make it click ...