Front-End Programming Exam > Front-End Programming Videos > Learn React JS: Fundamentals for Front-End Developers (in Hindi) > Prompt Component in React Router 4 - Stop User from navigating to Other Component
Prompt Component in React Router 4 - Stop User from navigating to Other Component Video Lecture | Learn React JS: Fundamentals for Front-End Developers (in Hindi) - Front-End Programming
FAQs on Prompt Component in React Router 4 - Stop User from navigating to Other Component Video Lecture - Learn React JS: Fundamentals for Front-End Developers (in Hindi) - Front-End Programming
| 1. What is a Prompt component in React Router 4? |  |
Ans. The Prompt component in React Router 4 is used to prevent users from navigating to another component or route without confirmation. It gives the ability to display a message to the user and allows them to choose whether to proceed with the navigation or stay on the current page.
| 2. How can I use the Prompt component in React Router 4? | |
Ans. To use the Prompt component in React Router 4, you need to import it from the 'react-router-dom' package. Then, you can place it inside a Route component and provide the necessary props, such as when and message, to control when the prompt should be displayed and the message to be shown to the user.
| 3. Can I customize the message shown by the Prompt component? | |
Ans. Yes, you can customize the message shown by the Prompt component by providing a string as the value of the message prop. Additionally, you can pass a function as the value of the message prop, which will receive the location object as an argument. This allows you to dynamically generate the message based on the current location or other conditions.
| 4. How can I conditionally show the Prompt component based on certain conditions? | |
Ans. To conditionally show the Prompt component based on certain conditions, you can use JavaScript logic inside the Route component that contains the Prompt. For example, you can use a state variable or a function to determine when to render the Prompt component.
| 5. Can I prevent the user from navigating away from the current page if there are unsaved changes? | |
Ans. Yes, you can prevent the user from navigating away from the current page if there are unsaved changes by using the Prompt component. You can set the when prop of the Prompt to a boolean value that represents whether there are unsaved changes. If the user tries to navigate away from the page, the Prompt will be displayed and they will be prompted to confirm their action.
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