Tag: react-bootstrap

using props to get value from a table

Advertisements I am trying to build one table using props, and pass the value from that table to another function. But for some reason, the result is not displaying. What have I done wrong? import Table from "https://cdn.skypack.dev/react-bootstrap@2.5.0&quot;; function Tables(props) { return ( <Table> <thead> <tr> <th>a</th> <th>b</th> <th>c</th> </tr> </thead> <tbody> <tr> <td>{props.first}</td> <td>{props.second}</td>… Read More using props to get value from a table

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Dynamically change class based on current index in a react component. (object.map)

Advertisements I have this Object.map statement in a react component. { instagramItems.map((item, index) => ( <div className="row" Key={index}> <div onClick={() => handleClick(item, index)} className="image-block col-sm-4" style={{ backgroundImage: "url(" + item.media_url + ")", backgroundPosition: ‘center ‘, backgroundSize: ‘cover’, backgroundRepeat: ‘no-repeat’ }}></div> I want to change the col-sm-X class on a div so the out put repeats… Read More Dynamically change class based on current index in a react component. (object.map)

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How to use if statement inside React JSX loop/map

Advertisements I’m trying to output two different versions of some HTML inside a React component based on an if statment, this is how I think it should look but the syntax is not right. I am trying to add "active" Breadcrumb.Item if the value of breadCrumbLink.IsActive is true. {breadCrumbData.BreadCrumbLinks.map(breadCrumbLink => ( if (breadCrumbLink.IsActive == true)… Read More How to use if statement inside React JSX loop/map

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Parameter can not be passed from react route to react Component

Advertisements I have tried the previous solutions but it seems that the v6 of react-dom is not working that way. I can not pass the id from the path to the component. app.js import Container from ‘react-bootstrap/Container’ import Footer from ‘./components/Footer’; import Header from ‘./components/Header’; import ‘./index.css’; import {BrowserRouter as Router, Routes, Route} from ‘react-router-dom’… Read More Parameter can not be passed from react route to react Component

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how to execute cleanup function in useEffect() only when component unmounts

Advertisements I want to clear filters only when the component unmounts. So I wrote cleanup function only in useEffect(). But as I checked it with console.log(), 1 was printed after the component mounted too. What’s wrong in this way? useEffect(() => { return () => { clearFilters(); console.log(1); }; }, []); Stack Snippet: const {… Read More how to execute cleanup function in useEffect() only when component unmounts

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React state not updating correctly. Increase and decrease function does not work on first click, but works after subsequent clicks

Advertisements React state not updating correctly. Increase and decrease function does not work on first click, but works after subsequent clicks. Subtotal value is always wrong. if quantity is 10 subtotal should be 105. But subtotal shows as 94.50 import React from "react"; import { Card, Button, CardDeck } from ‘react-bootstrap’; import { useState }… Read More React state not updating correctly. Increase and decrease function does not work on first click, but works after subsequent clicks

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Npm Start Returning index.html instead of React Rendered Page

Advertisements I’m new to react but something is not working on the backend. When I run npm start it servers up the blank index.html page instead of rendering from index.js Everything works fine in code sandbox, but I can’t run it locally. Here is my index.js file ReactDOM.Render( <HashRouter> <Routes> <Route path="/" element={<App />} />… Read More Npm Start Returning index.html instead of React Rendered Page

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