reactjs Archives - IT Nursery

Programming, reactjs

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ReactJS lifecycle method inside a function Component

Instead of writing my components inside a class, I’d like to use the function syntax. How do I override componentDidMount, componentWillMount inside function ...

June 4, 2022
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javascript, Programming

IT Nursery

How to use Redirect in version 5 of react-router-dom of Reactjs

I am using the last version react-router module, named react-router-dom, that has become the default when developing web applications with React. I want ...

June 4, 2022
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javascript, Programming

IT Nursery

Correct path for img on React.js

I have some problem with my images on my react project. Indeed I always thought that relative path into src attribute was built ...

June 3, 2022
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Programming, reactjs

IT Nursery

Is using async componentDidMount() good?

Is using componentDidMount() as an async function good practice in React Native or should I avoid it? I need to get some info ...

June 3, 2022
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javascript, Programming

IT Nursery

How to listen state changes in react.js?

What is the angular’s $watch function equivalent in React.js? I want to listen state changes and call a function like getSearchResults(). componentDidMount: function() ...

June 3, 2022
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Programming, reactjs

IT Nursery

How to tell webpack dev server to serve index.html for any route

React router allows react apps to handle /arbitrary/route. In order this to work, I need my server to send the React app on ...

June 3, 2022
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javascript, Programming

IT Nursery

React-Router: No Not Found Route?

Consider the following: var AppRoutes =...

June 3, 2022
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javascript, Programming

IT Nursery

How to update React Context from inside a child component?

I have the language settings in the context as like below class LanguageProvider extends Component { static childContextTypes = { langConfig: PropTypes.object, }; ...

June 3, 2022
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javascript, Programming

IT Nursery

Objects are not valid as a React child. If you meant to render a collection of children, use an array instead

I am setting up a React app with a Rails backend. I am getting the error “Objects are not valid as a React ...

June 3, 2022
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javascript, Programming

IT Nursery

Invalid hook call. Hooks can only be called inside of the body of a function component

I want to show some records in a table using React but I got this error: Invalid hook call. Hooks can only be ...

June 2, 2022
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