Recent questions tagged ReactJs

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reactjs - Calling Yelp API from frontend JavaScript code running in a browser

Would really appreciate anyone's help. I am relatively new to developing in React, using Mac OSX and Chrome as ... help for a growing developer. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to get Redux Form data in another Component

How can i pass the data from redux form, So that i can access that data in App.js? here is the code i ... pass this inputed data to app.js? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - React Redux fetching data from backend approach

I'm a bit confused and would love an answer that will help me to clear my thoughts. Let's say I have ... that talks exactly about this topic :) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - ListView removing wrong row on dataSource update

I have a React Native ListView that seems to be removing the wrong row in the UI when I update the state with ... onTrackPressed(result)}/> ); } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - postcss 7.0.0 - 8.2.9 Severity: moderate Regular Expression Denial of Service

When creating a new project under create-react-app, you get warnings straight away regarding a vulnerability found in ... me far. Any idea? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Import image dynamically in React component

I have an Articles component that shows a blog page with listed articles. render() { const articles = { ... .imgName) from Articles component? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to give Image src dynamically in react js?

I am trying to give image name in src dynamically. I want to set image name dynamically using variable with path. ... how can I set image path? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Cannot find namespace 'ctx' error when creating Context with react - typescript

I'm working on a project with react using typescript and I'm having a bad time figuring out why this error ... } Any help would be appreciated! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Using React Router withRouter

How do you get the routing context, location, params, etc, when using withRouter()? import { withRouter } ... passed down the component tree? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Setting text color, outline, and padding on Material-ui Autocomplete component

We'd like to change the text color, outline, and padding on a Material-ui Autocomplete component. The code ... no avail. Appreciate any advice. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Get URL pathname in nextjs

I have a signin page and layout component.Layout component has header.I don't want to show header in signin .and ... /Layout> ) } } please help See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How do I avoid 'Function components cannot be given refs' when using react-router-dom?

I have the following (using Material UI).... import React from "react"; import { NavLink } from "react-router- ... How do I resolve this issue? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Trouble with simple example of React Hooks useCallback

I'm trying to make a simple example that follows the React Hooks example in the doc at page https:// ... edit/react-usememo2?file=Hello.js See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Content not from webpack is served from /foo

I just can't start this server, I read the webpack-dev-server docs. devServer: { contentBase: path.join(__dirname, "dist ... 2.4.1 webpack 2.2.1 See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - React Router v4 Redirecting on form submit

Brand new to react, Attempting to redirect to a "homepage" after clicking submit on a "login" page. Tried to ... </div> </BrowserRouter> ); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Create-React-App Proxy in Production Build

I'm using create-react-app with an express backend. I have the backend running on port 3001, and the ... help would be much appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - React Navigation V2: Difference between navigation.push and navigation.navigate

I'm new to React Native and I'm currently studying the React Native Navigation Docs. I was wondering: What is ... the exact same thing... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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595 views

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reactjs - Steps to deploy a React app on S3 with CloudFront while managing caching?

I need to deploy a React App on AWS S3 using SSL and managing caching. What are the required steps, and ... of the problems I might encounter? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Sharing on social media, the URL does not render any meta data

We have built a project (Web Application) in React .net core using react in client-side rendering. We've used ... /share the URL within them. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - Get the value of checkbox using ref in React

is there any way to get value of checkbox using ref in React. Normal way return always value "on" to me. var MyForm = ... </button> </div> } }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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686 views

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reactjs - Promise Error: Objects are not valid as a React child

I am trying to set the json to a state using user agent, I get the error: Uncaught Invariant Violation: Objects are not ... : 0 },...... ]} See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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518 views

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reactjs - What is the difference between JavaScript and JSX?

I am pretty new to React, I find most tutorial talked about JSX, I have not learnt any JSX syntax, but I ... what else should pay attention to? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How does webpack handle multiple files importing the same module React

I have a React app which has many components importing the same modules. Does webpack import each module once for each file ... ul> </div>; } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to test react-router with enzyme

I am using enzyme+mocha+chai to test my react-redux project. Enzyme provides shallow to test component behavior. ... as the router framework. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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reactjs - How to test Async Storage with Jest?

I'm building an app with React Native. I want to minimize how often I communicate to the database, so I make ... library I'm open to that. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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910 views

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reactjs - React Hook useEffect has a missing dependency: 'dispatch'

This is my first time working with react js , im trying to remove the alert when leaving this view cause i don ... = () => useContext(appStore); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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823 views

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reactjs - My create-react-app is failing to compile due to ESLint error

I just created a fresh template with create-react-app with react v17 included, and I installed eslint dependencies ... messed up please? thanks See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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664 views

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reactjs - Unable to use useState in class component React.js

I am trying to create constants in react as follows: const [firstFocus, setFirstFocus] = React.useState(false); const ... new to react. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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