Sometimes, we need to fix the ‘React a component is changing an uncontrolled input of type checkbox to be controlled’ error with JavaScript.
In this article, we’ll look at how to fix the ‘React a component is changing an uncontrolled input of type checkbox to be controlled’ error with JavaScript.
How to fix the ‘React a component is changing an uncontrolled input of type checkbox to be controlled’ error with JavaScript?
To fix the ‘React a component is changing an uncontrolled input of type checkbox to be controlled’ error with JavaScript, we should make sure the value
prop always has a value set.
For instance, we write:
import React from "react";
export default function App() {
const [name, setName] = React.useState();
return (
<div>
<input value={name ?? ""} onChange={(e) => setName(e.target.value)} />
</div>
);
}
to define the name
state with useState
and didn’t set an initial value for name
.
Then we add the input with the value
prop set to name
.
If name
isn’t defined, we set it to an empty string.
As a result, the ‘React a component is changing an uncontrolled input of type checkbox to be controlled’ error won’t be thrown.
Conclusiun
To fix the ‘React a component is changing an uncontrolled input of type checkbox to be controlled’ error with JavaScript, we should make sure the value
prop always has a value set.