John is developing a functionality, where on clicking view details button of a particular product from the list of prodcts, the details of that product should be displayed in a different view. For that, he is passing the productId through the URL. Choose the appropriate code snippet to achieve the requirement let params = useParams(); {params.productId} {useParams().productId} both a and b neither a nor b
Question
John is developing a functionality, where on clicking view details button of a particular product from the list of prodcts, the details of that product should be displayed in a different view. For that, he is passing the productId through the URL. Choose the appropriate code snippet to achieve the requirement
let params = useParams(); {params.productId}
{useParams().productId}
both a and b
neither a nor b
Solution
The correct answer is "both a and b".
Explanation:
In React Router, useParams is a hook that allows you to access parameters from the route. Both of the code snippets are correct ways to access the productId from the URL.
In the first snippet, let params = useParams(); {params.productId}, useParams is called and its return value (an object containing the URL parameters) is stored in the variable params. Then, params.productId is used to access the productId.
In the second snippet, {useParams().productId}, useParams is called and immediately the productId is accessed. This is a more concise way to do the same thing as the first snippet.
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