FAQ: Your First React Component - Render A Component

This community-built FAQ covers the “Render A Component” exercise from the lesson “Your First React Component”.

Paths and Courses
This exercise can be found in the following Codecademy content:

Web Development

Learn ReactJS: Part I

FAQs on the exercise Render A Component

Join the Discussion. Help a fellow learner on their journey.

Ask or answer a question about this exercise by clicking reply (reply) below!

Agree with a comment or answer? Like (like) to up-vote the contribution!

Need broader help or resources? Head here.

Looking for motivation to keep learning? Join our wider discussions.

Learn more about how to use this guide.

Found a bug? Report it!

Have a question about your account or billing? Reach out to our customer support team!

None of the above? Find out where to ask other questions here!

What is the advantage of doing all this instead of using vanilla Javascript to do the same thing (with document.createElement(), .appendChild(), etc)? Seems like an awful lot of code for a roundabout way to insert an HTML element.

1 Like

I don’t understand the benefits of using classes in that matter either. Using simple variables seems to be more readable. Why and when should we use classes?

1 Like

Why does nothing appear on the screen on the local host after completing the final exercise?

1 Like

I was going to ask the same thing, anyone have the answer to this?

is ‘< MyComponentClass />’ an object?





Shouldn’t it be ‘new’ not ‘app’ cause were working on a the file new?

1 Like