useRef Hook in React explained with example | react typescript tutorial

Опубликовано: 15 Май 2023
на канале: Tutorials in Hand
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useRef Hook in React explained with example | react typescript tutorial

Timer
00:00 – Introduction useRef
00:11 – useRef() in React
02:49 – Code Example of useRef hook
07:55 – Thanking audience

Description:
Welcome to this video from tutorialsinhand.com. In this video we are going to discuss on useref hook in react.

useRef() hook
If you have read about the hooks which have been discussed till now, you will see one common pattern. Almost all the hooks are used for performance improvement or feature improvement. But what if we have to store some value between successive renders or manipulate a DOM element? Nothing to worry. The “useRef” hook comes to the rescue.

The “useRef” hook enables the developers to reference a value that is not needed for rendering i.e. it allows the developers to write code in such a way that values referenced by “useRef” are retained between renders. Besides this, there is one more beneficial feature associated with this hook. Unlike “useState”, it doesn’t trigger rendering when data referenced by it is updated.

Like the other hooks, we have studied, we use the “useRef” hook at the top level of our component. Firstly, we have to import the “useRef” hook from “react” and then we can utilize it.


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Article URL: Yet to Publish


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