Map input react

1. What is map () in React?
2. Can we use map in JSX?
3. How do I map an array value in React?

What is map () in React?

In ReactJs, the maps are used for traversing or displaying the list of similar objects of a component. The map method is a standard JavaScript function and not just a ReactJs feature that could be called on an array. A new array is made using the map() method, and a function is called on each element of the array.

Can we use map in JSX?

We can map over those directly in the JSX. You can see how it's done in the below example. What is this? const userNames = ['Jesse', 'Tom', 'Anna'] function App() return ( <div> <ul> userNames.

How do I map an array value in React?

We assign the new array returned by map() to the variable doubled and log it: const numbers = [1, 2, 3, 4, 5]; const doubled = numbers.map((number) => number * 2);console.log(doubled); This code logs [2, 4, 6, 8, 10] to the console. In React, transforming arrays into lists of elements is nearly identical.