Sometimes, we want to trigger child re-rendering in React.js.
In this article, we’ll look at how to trigger child re-rendering in React.js.
How to trigger child re-rendering in React.js?
To trigger child re-rendering in React.js, we set the key prop to a new value.
For instance, we write
<ChildComponent key={updatedKey} />;
to set the key prop of ChildComponent to the updatedKey state or prop.
When updatedKey‘s value changes, ChildComponent will be re-rendered.
Conclusion
To trigger child re-rendering in React.js, we set the key prop to a new value.
