React allows you to easily write JavaScript code inside your components. This makes it easy for any developer to comfortably handle common programming techniques in React, such as looping through a set of items, creating and invoking functions, storing data in local variables, and so on.

This guide demonstrates how to implement loops in common use cases, such as rendering a list of static data and outputting data from an API.

Outputting Arrays in JSX

Component loops are regular JavaScript loops combined with some JSX. A great feature of JSX is that it allows you to output arrays directly on the DOM. This means that if you have an array named data, you can output its elements on the DOM as shown below :

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