Most voted "jsx" questions
JSX is a syntax extension for Javascript used in React.js, Vue.js, and other Javascript frameworks that allow use of XML along with JS code to describe HTML elements
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answers12658
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answer192
viewsBug when reordering React component list
I have a component that loads a list of components <ComponenteReordenavel> which is reordered according to the user’s taste. The bug happens when I modify the style of that component and…
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answer885
viewsHow to change the state of complex objects in React?
have the following object: obj = { title: "obj1", tab: [{ title: "titulo da tab 1", card: [{ title: "card1", url: "url", image: "image" }, { title: "card2", url: "url", image: "image" }] }, { title:…
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answer370
viewsHow to validate an array if it has objects inside it or not? React JS
I have a code made using React JS and it works like this, I have a select component, and this is reused several times and the information it receives always comes from an array, only now I need to…
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answer97
viewsLoad the state value into the currency formatted DidMount component
I want to load a value defined in state of the application. Using a lib to format the input and put Real format coin mask (react-intl-currency-input). Only it does not load the value in the input…
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answer372
viewsSeparate JSX from component - React Native
Is there any way in React Native to put the whole JSX in a separate file without risk of decreasing the performance of App? Type the Angular that has a file for the HTML, other to the CSS and…
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answers103
viewsAdd Object Array Subdocument Reactjs and Mongodb
Sirs, Kindly help me with this doubt? Summary: I’m creating a mini app using Node/Mongo/React. This app uses relationship in Mongo and would like help to add data via frontend(reactjs) to the array…
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answer287
viewsAccess a list within a list in React jsx
Hello, I’m a newcomer to React and am making a request via Xios. This request returns me the following JSON: after receiving this list I make a .map on the list and it returns me the following: What…
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answer2567
viewsHow to pass Information from a functional child component to a parent React?
I’m developing an application with React with Hooks and functional components, and I came across the following logic: I need to screen render the functional components, both with Forms arrays inside…
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answer206
viewsReplay audio every time a button is clicked - Javascript and HTML
I want the audio to repeat from the beginning every time the button is pressed. Instead it only repeats after the audio has finished. (NOTE: I am using JSX) Javascript playShot() { var audio =…
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answer29
viewsHow to set a state that is in a constant with React with a function
I have the following code snippet: const [aulas, setAulas] = React.useState([{ id:1, title: 'Aula 1', descricao: 'Matemática', }, { id:2, title: 'Aula 2', descricao: 'Portugues', }]) function…
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answer110
viewsSyntax Error. Unexpected token '=' in React
When I try to run dev-server it returns an error in the console that I cannot identify what is generating it webpack.config.js iconst path = require('path'); module.exports = { entry:…
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answers1064
viewsSpacing in the JSX
I have a JSX file and I need a space between the {item.payment.bucket} and OU. In HTML it would look something like this: {item.payment.bucket} OU. My JSX code: <ValueDiv> <Icon…
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answer60
viewsAdjacent JSX React syntax error
I created a component that there are six images but when compiling my code returns me the following error. And this is my source code for the Imovelphotos component import React from 'react';…
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answer396
viewsReact does not render the result of this code
I am studying React and I have a problem, more precisely in the state part, where my code does not render on the screen. In this case I have a h1 and a ul and none of them appear on the screen, but…
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answer201
viewsWhy doesn’t React accept camelCase to name components?
I was preparing a component whose only function was to export a tag <p> containing a text. I naturally created a function that exported the text: import React from 'react'; function…
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answer154
viewsHTML snippets for JSX
Does anyone know where I can get HTML Snippets to use in Javascript? Example: input: h1 + tab output: <h1></h1>
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answer5078
viewsPass information between components without Reactjs hierarchy
How to pass information between components in React as props or status. In this situation I have a button and a menu. The menu should open every time the button is clicked. Knob import React, {…
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answers388
viewsHow to exclude only a certain data from a React state
Today I have the following constant: const alunos = [{ id: 1, nome: 'Julia', curso: 'Enfermagem', }, { id: 2, nome: 'Isabela', curso: 'Veterinária' }] but I would need to just erase the id data,…
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answer33
viewsIs it possible to send JSX tags from Nodejs(backend) to Reactjs?
I need to send a data to the frontend, but I need it to be already with determinate tag around it, for example... given backend: Name: Gabriel I need you to get to the front this way:…
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answer25
viewsJSX elements included in closing tag
When creating the div with the SERVICES name displays the following error: Adjacent JSX elements must be wrapped in an enclosing tag. Did you want a JSX fragment <>...</>? <div…
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answers550
viewsRun a function and if it takes longer than x seconds of error - React Native
Good afternoon! I made a function that searches the data of a JSON on the Web, but I wanted to involve it in a function that took longer that for example 10 seconds exploded an error on the screen,…
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answer1853
viewsConsume data and make Dynamic Form with React
I need to consume the data of a webservice to create a form interface for dynamic filling, that is, it must adapt the form structure received by the webservice and not be fixed with the questions of…
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answer1023
viewsReact Hooks + Socket.io
I’m using the React Hooks for a simple application, a clone of the Instragam feed. To request each post in the api, I’m using this logic: function Feed() { const [posts, setPost] = useState([]);…
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answers281
viewsHelp with dynamic images in Reactjs
> My code is returning the string value in the console, but does not return the image even though the path is right in the scr. I do not know what my mistake.I ask for help I am new in language.…
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answer137
viewsDynamically change field in Reactjs
I am developing a project, and when typing a value in a field I need the other field to be changed based on the values I set in a function, here is the code: constructor(props) { super(props);…
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answer58
viewsError while trying to render ternary conditional operator component in REACT
This is my component {portaisAtuais .filter(portal => !portais.includes(portal.id)) .map((portal, index) => { const { nome, id } = portal portaisAtuais.length === index + 1 ? ( <div…
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answer176
viewsTraverse a . map() in inside . map() React jsx
I’m using React with Typescript. Is it possible to go array inside an array? This is my array: const menu: Array<{name: string; to: string; icon?: ReactNode; submenu?: any}> = [ { name:…
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votes2
answers56
viewsHow to pass a specific object as props in a generation of components?
Hello, I’m initiating the studies in React and when trying to create a code that generates components (in this case the "Box")where at the click of a button passing objects coming from a state to a…
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answers49
viewsModify SVG with Styled-Components (React/next)
The problem is specific and found nowhere. Summary: How I could modify the properties of my standard JSX SVG icon directly in Styled-Components as well as other icons? Details: I know with…
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answer102
viewsHow to create a container component from other components
Good afternoon! I’m trying to create a component that contains Ivs that stylize the components inside. Only there are 3 Ivs and I don’t want to replicate them every time I go to use, so I thought of…
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answers271
viewsgetElementById in React/JSX
I started my React studies yesterday so I don’t have much knowledge about, and I’d like to know how to give a document.getElementById() in React/JSX, how do I do this? I tried to use…
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answer95
viewsDisplay inputText according to the quantity selected in the React-Native Picker
I have the following problem. I have a Piker jam with quantity and I want from the quantity selection I get the same Textinput number defined by the quantity selection. Component Quantity: import…
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answer78
viewsError accessing property with map function
When I try to access the property this.props.arrayMenu shows me the following error: Uncaught Typeerror: Cannot read Property 'id' of Undefined. as shown below: import React , { Component } from…
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answer240
viewsUse component when clicking on jsx button
I’m trying to render the component Feed within that Main in jsx, but I’m not getting it. Follows the code: function Feed(props){ return( <main className='post'> <p…