Front-End Programming Exam  >  Front-End Programming Videos  >  Learn React JS: Fundamentals for Front-End Developers (in Hindi)  >  How to create Params; Query String; Redirect and 404 using React Router 3 - Part 3 [#7]

How to create Params; Query String; Redirect and 404 using React Router 3 - Part 3 [#7] Video Lecture | Learn React JS: Fundamentals for Front-End Developers (in Hindi) - Front-End Programming

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FAQs on How to create Params; Query String; Redirect and 404 using React Router 3 - Part 3 [#7] Video Lecture - Learn React JS: Fundamentals for Front-End Developers (in Hindi) - Front-End Programming

1. How can I create params in React Router 3?
Ans. In React Router 3, you can create params by defining them in the route path using a colon followed by the param name. For example, if you want to create a param for the user ID, your route path would be "/users/:id" where ":id" represents the param. This param can then be accessed in the component using this.props.params.id.
2. How do I create a query string in React Router 3?
Ans. In React Router 3, you can create a query string by appending it to the URL using the "?" symbol followed by key-value pairs separated by "&". For example, if you want to pass a query string with two parameters, your URL would look like "/users?id=123&name=John". You can access these query parameters in the component using this.props.location.query.
3. How can I redirect to another page using React Router 3?
Ans. To redirect to another page in React Router 3, you can use the "browserHistory" object provided by the react-router package. You can call the "push" method on this object and provide the URL you want to redirect to. For example, if you want to redirect to the home page, you can use "browserHistory.push('/home')".
4. How can I handle a 404 error page in React Router 3?
Ans. To handle a 404 error page in React Router 3, you can define a route with a path of "*" at the end of your route configuration. This acts as a fallback route that matches any other route that is not defined. In the component associated with this route, you can display a custom 404 error page or redirect the user to a specific page.
5. How can I pass props to components in React Router 3?
Ans. In React Router 3, you can pass props to components by using the "render" function instead of the "component" prop in your route configuration. The "render" function allows you to pass additional props to the component being rendered. For example, you can use "render={() => <MyComponent prop1={value1} prop2={value2} />}" to pass props to the "MyComponent" component.
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