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Using the Controlled Component

Using the Controlled Component

In this lesson, we'll learn how a user would use a controlled component from an app!

Sending a Prop

We reach out to the user and let them know that we have implemented a pattern to cater for their specific use case.

Out of excitement, they get on to implement the change.

Here’s how.

Within the user app, they send a data-index prop to every Header element:

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// before
<Expandable.Header />
// now
<Expandable.Header data-index={index} />

The index is retrieved from ...

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