Array Methods

Map(),Filter(),Reduce()

• Absolutely! Understanding the array methods map(), filter(), and reduce() is essential for anyone learning JavaScript, especially for students who are diving into frameworks like React.js. These methods are not only powerful for data manipulation but also align well with functional programming principles, which are prevalent in modern JavaScript development. Let's explore each of these methods in detail.

Map()

Description:

• It's return the new array by applying function to each element in original array.

• The map() method in JavaScript does not manipulate the original array;

Filter()

Description:

• The filter() method creates a new array containing all elements that pass a test implemented by the provided function.

• The filter() method in JavaScript does not manipulate the original array;

Reduce()

Description:

• The reduce() method processes the each element in an array and reduces into single value.

• The reduce method does not change the original array.