Recent questions tagged Reactjs

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reactjs - How can we configure the Header of ant design table component?

We have requirement where we need to show 'Hide/Show' columns feature on the header of table and also ... is completely internal to component. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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645 views

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reactjs - Why we don't need to bind the arrow function in React?

We all know that we need to bind function in React to make it work. I do know why do we need to ... not required in arrow function. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to load a local video in React using webpack?

I can't seem to figure out how to get an html5 video to render in a react app from local files. ... Unable to load resources via file-loader See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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739 views

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reactjs - How to avoid JSX component from condensing when React.js rendering it?

I find out that React.js will condense JSX component HTML tags when rendering, is it possible to avoid this? ... appreciate any help, thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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817 views

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reactjs - React get state from Redux store within useEffect

What is the correct way to get state from the Redux store within the useEffect hook? useEffect(() => { ... be called within the useEffect hook? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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958 views

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reactjs - How to add <canvas> support to my tests in Jest?

In my Jest unit test I am rendering a component with a ColorPicker. The ColorPicker component creates a canvas ... , "collectCoverage": true } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - What is the difference between import * as react from 'react' vs import react from 'react'

I am new to React or the coding background in general. And I am not sure what is the difference between the ... from 'react' Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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688 views

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reactjs - Component definition is missing display name react/display-name

How do I add a display name to this? export default () => <Switch> <Route path="/login" exact component={ ... component={NotFound} /> </Switch>; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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839 views

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reactjs - Rxjs debounce on react text input component

I have the following react component <input className={styles.incSrchTextBox} type="text" name="search" placeholder=" ... on rxjs on this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Can react state be tampered with to bypass security measures?

I have two components. One component that the user must use to login and one component to show some content. ... react dev tools or something? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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963 views

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reactjs - `eval()`ing code with JSX syntax in it

I have a website where the server is generating some javascript and sending it via ajax to the client. The problem ... () that works for JSX. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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844 views

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reactjs - Is it possible to only remount only the new child components on react-router transition

I am using react-router in my application and I am looking for a way to stop the remount of components ... a wrapper for React.createFactory() See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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880 views

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reactjs - How to customise react-bootstrap components?

What is the best way to override css classes/customise react-bootstrap components? - (I have read the docs, and ... which is better and why? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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968 views

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reactjs - Cannot GET index.html Azure Linux Web App

We created a Linux Web App in Microsoft Azure. The application is static written with React (html and Javascript) ... We forget to do something? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.5k views

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reactjs - Info.plist file for react native ios app using expo SDK

I'm looking to properly format the Info.plist file in order to make in app purchase work with react-native ... purchase - no products received See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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reactjs - Stop cursor jumping when formatting number in React

I have an input field on my react component that shows the line price for an item (two decimal places with ... ) so is there another way? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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819 views

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reactjs - How to configure webpack dev server with react router dom v4?

This is the code of my webpack configuration: const compiler = webpack({ entry: ['whatwg-fetch', path.resolve( ... would this not render? About See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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664 views

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reactjs - How can I remove an attribute from a React component's state object

If I have a React component that had a property set on its state: onClick() { this.setState({ foo: 'bar' ... try but it's since been deprecated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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793 views

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reactjs - Replace part of string with tag in JSX

I'm trying to replace parts of a string with JSX tags, like so: render: function() { result = this.props. ... parts of a string with JSX tags? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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696 views

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reactjs - Stop rendering of a component after componentDidMount()

I have a search page with three components. The browse topics component lists the topics to choose from. The ... sorting to function properly. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.1k views

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reactjs - Property does not exist on type 'DetailedHTMLProps, HTMLDivElement>' with React 16

Since React 16 now allows custom DOM attributes, I tried to leverage this in my Typescript code: import * ... "allowUnreachableCode": true } } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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726 views

1 answer

reactjs - react hooks and setInterval

Is there any alternative to just keeping a "clock" in the background to implement auto-next (after a few seconds) in ... , start, stop }; }; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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907 views

1 answer

reactjs - How do I fix a Firebase 9.0 import error? "Attempted import error: 'firebase/app' does not contain a default export (imported as 'firebase')."

I am trying to implement firebase in my React application but it seems my version of importing is outdated. ... }; export default AuthProvider; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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719 views

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reactjs - Run Effect hook only when both dependencies change

I have a React component that fetches data using the useEffect hook like so: const cache = {key: "data- ... OR options using React Hooks? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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791 views

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reactjs - UI not re-rendering on state update using React Hooks and form submission

I'm trying to update a UI using React Hooks and a form. I have a state set to monitor the value on ... causing the component to re-render? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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624 views

1 answer

reactjs - React-Router: how to wait for an async action before route transition

Is it possible to call an async redux action known as a thunk on a particular route and not ... dispatch(loadInitialFormValues(formId))}> See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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976 views

1 answer

reactjs - How to use diferent .env files with nextjs?

I would like to have different configuration files for the environment variables and be able to use them in my next ... />; export default Home; See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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765 views

1 answer

reactjs - How to emulate window.location with react-router and ES6 classes

I'm using react-router, so I use the <Link /> component for my links throughout the app, in some cases ... anyone come across a similar issue? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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