I have a parent component Form that has a button where on user click, it will display a child component MyWindow. The MyWindow component also has the Form component so the button will appear in MyWindow as well. How can I stop the Button from displaying in MyWindow when it’s open? I only want the… Read More How to stop a component from recursively showing up in react Typescript

Is there a way in Vue to use v-model on a <component> whose tag is specified by :is=’tag’ (where tag obviously resolves to "input")? This doesn’t work, i.e. the input does not contain the starting value "init". <script> import { ref } from ‘vue’ export default { setup() { const tag = ‘input’ const bar… Read More Vue – using v-model on a <component> with :is

I have: function Parent(){ const [num, setNum] = useState(0) const [someState, setSomeState] = useState({}) return <div> <Child num={num}/> </div> } function Child({num}) { return <div>{num}</div> } I want Child re-render only num is updated. If only someState update, Child won’t re-render. >Solution : You can use React.memo and wrap your children component which you want… Read More React: How to Child component re-render only prop update

In the code example below (referenced in VueJS Official Site) : <script setup> import Home from ‘./Home.vue’ import Posts from ‘./Posts.vue’ import Archive from ‘./Archive.vue’ import { ref, watch } from ‘vue’ let currentTab = ref(‘Home’) const tabs = { Home, Posts, Archive } watch(currentTab, (currentTab) => console.log(tabs[currentTab], currentTab)) </script> <template> <div class="demo"> <button v-for="(_,… Read More In VueJS, Passing variable instead of string name of component to :is attribute of dynamic component does not work

I have multiple components exported in a file ‘buildings.js’ For the sake of simplicity I’ll just give a basic example export const NewBuilding = () => { return ( <div className="wrapper">New Building</div> ) } export const Barracks = () => { return ( <div className="wrapper">Barracks</div> ) } Another component get the specific building component name… Read More How to load React Component by variable?

I’m using React and trying to re-render a child custom input component on prop state change but it’s not working. The prop state change is being fired by a button click in the parent component for simplicity in this example, but there are other use cases where I’d like to automatically fire it when a… Read More How do you force a child component to re-render on state change?

I set button onClick as a parameter in the child component and drag and use onClick in the parent component. The child component Room . type Props = { items?: []; onClick?: any; } const Room = ({ onClick, items: [] }: Props) => { return ( <div> {items.length ? ( <> {items.map((item: any, index:… Read More Child component onClick parameter doesn't work in parent component

I am building up an app that enables users to look at the information of movies to study React. I have a component named BoxOffice that has several useState. One of the useState is const [movieDetailPage, setMovieDetailPage]. I pass setMovieDetailPage as the property onClick of the component Movie In the component Movie, I assign the… Read More A function passed as an onClick property is passed only once

I have been asked to solve a problem using any front-end framework ( reactjs in my case ) . Basically there is a form for adding a car and there can be say a type of car like ‘SUV’,’semitruck’,’racecar’ and so on… In the form there needs to be different components rendered based on the… Read More ReactJs How to dynamically render components based on value

https://codesandbox.io/s/sad-hoover-d4e1wl?file=/src/App.js In my interactive comments section, comment components are dynamically rendered in the App.js by mapping through an array of comments stored in state that is added to when the user submits a comment from the create box. You can add replies which are stored in state in each component similar to the comments with… Read More Is maintaining state between renders in a dynamically rendered components impossible?