reactjs Archives - Page 23 of 24

Why do we need middleware for async flow in Redux?

According to the docs, “Without middleware, Redux store only supports synchronous data flow”. I don’t understand why this is the case. Why can’t ...

April 20, 2022
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How do I conditionally add attributes to React components?

Is there a way to only add attributes to a React component if a certain condition is met? I’m supposed to add required ...

April 19, 2022
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Understanding unique keys for array children in React.js

I’m building a React component that accepts a JSON data source and creates a sortable table. Each of the dynamic data rows has ...

April 18, 2022
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What is the difference between React Native and React?

This question’s answers are a community effort. Edit existing answers to improve this post. It is not currently accepting new answers or interactions. ...

April 17, 2022
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Can you force a React component to rerender without calling setState?

I have an external (to the component), observable object that I want to listen for changes on. When the object is updated it ...

April 17, 2022
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React-router urls don’t work when refreshing or writing manually

I’m using React-router and it works fine while I’m clicking on link buttons, but when I refresh my webpage it does not load ...

April 15, 2022
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Why use Redux over Facebook Flux? [closed]

Closed. This question is opinion-based. It is not currently accepting answers. Closed 3 years ago. Locked. This question and its answers are locked ...

April 14, 2022
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How to pass props to {this.props.children}

I’m trying to find the proper way to define some components which could be used in a generic way: <Parent> <Child value="1"> <Child ...

April 13, 2022
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What do these three dots in React do?

What does the ... do in this React (using JSX) code and what is it called? <Modal {...this.props} title="Modal heading" animation={false}> 20 20

April 13, 2022
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Loop inside React JSX

I’m trying to do something like the following in React JSX (where ObjectRow is a separate component): <tbody> for (var i=0; i < ...

April 11, 2022
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