New Hooks
In React 18, a set of innovative hooks has been introduced, which provide enhanced techniques for managing IDs, transitions, and optimizing performance. These hooks include useId
, useTransition
, useDeferredValue
, and useInsertionEffect
.
useId
useId
is a new built-in hook in React 18 that can be used to generate a unique ID. This can be useful in scenarios where you need to generate unique identifiers for elements in a React component, for example, when building forms.
Here’s an example of how you can use useId
to generate a unique ID:
import { useId } from 'react'
const MyComponent = () => {
const id = useId()
return <div id={id}>Hello, world!</div>
}
In this example, we use the useId
hook to generate a unique ID, which we then use as the id
attribute of a <div>
element.
useId
generates a unique ID that is guaranteed to be different on each render. It takes an optional parameter that can be used to specify...