Unable to update Boolean state in react

Question

I've a Boolean state `clicked` that is used to show the value of a switch.
Whenever the user presses the switch the opposite of current state should become the new state. I tried like below

```jsx
<button onClick = {()=> setClicked(!clicked) } />
```

But it is not working as expected. How can I make it work like i expected?

Divya · Accepted Answer

You need to get the previous state first and update it.
You can do like

```jsx
setClicked( prev => !prev)
```

Unable to update Boolean state in react

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