Composition

• Think of them as Lego bricks

• Build small components that together build larger components, screens

• Composition is key!

Composition

We compose these bricks to build larger things

<!-- LoginForm.js -->

<Form>
  <FormGroup>
    <Label>Username</Label>
    <Input name="username" />

    <Label>Password</Label>
    <Input name="password" />
  </FormGroup>

  <Button>Submit</Button>
</Form>