react-props

问题 I need a solution for radio buttons, but the options array which is the main array is outside the class component. In this case, I will get OPTIONS array items through props but not hardcoded. How is it possible for me to Pass props outside class component Make OPTIONS state object and then pass it to checkboxes, which is inside state. import React, { Component } from "react"; import Checkbox from "./Checkbox"; const OPTIONS = ["One", "Two", "Three"]; class App extends Component { state = {

问题 I need a solution for radio buttons, but the options array which is the main array is outside the class component. In this case, I will get OPTIONS array items through props but not hardcoded. How is it possible for me to Pass props outside class component Make OPTIONS state object and then pass it to checkboxes, which is inside state. import React, { Component } from "react"; import Checkbox from "./Checkbox"; const OPTIONS = ["One", "Two", "Three"]; class App extends Component { state = {

问题 I'm a new react-native developer. I want to get the value of Text component using onPress and pass it to a function. <Text onPress={()=>this.display}>Hello World</Text> display= (text) =>{ console.log(text);//this should print Hello world } 回答1: I'm not an expert on React Native. I got some ideas from this Stackoverflow Link But I think you can set up a ref on the Text component <Text ref={(elem) => this.textElem = elem} onPress={()=>this.display}>Hello World</Text> For your event handler,

问题 In React, I'm having Files like --parent.js --child.js --App.js parent.js contains Textbox and button child.js contains P tag App.js contains Both Parent and Child Component Problem Pass the Textbox value from Parent on button click to child and display the value in child paragraph tag. Full Code stackblitz 回答1: Updated your sample to pass data to child component. https://stackblitz.com/edit/react-trmj9i?file=child.js Adding code below for quick reference index.js import React, { Component }

问题 Hi I am trying to set up my react app such that when you click on a button in a row item in my react-table the data in that row is passed onto another component. At the moment I am simply trying to console.log the correct data but am unsure of how to pass react-table row data based on click. How can I do this? Thanks My Dummy data stored in state along with the button (Show Detailed View) which I want to trigger the data passing onclick: columns: [ { Header: "First Name", accessor: "fname" },

问题 I'm designing a form in React that has a main form builder (Create Job.js) and some form pages (AdditionalInfo.js) and (Confirmation.js) . this form had a tag input that allows you to choose tags from a drop-down list provided by an API. the selected items need to be shown later in the confirmation page. This is my main form builder that has props and functions: (CreateJob.js) state = { step:1, Title:'', requirements:'', Location:'', Benefits:'', Company:'', InternalCode:'', Details:'', Tags:

问题 I have one component as below. I am calling on api on its componentDidMount() event. I am not getting why am I not getting its prop value first time when component renders. Also I am not sure why component is rendering 2 times. I have below code. import React, { Component } from "react"; import { connect } from "react-redux"; import { Link } from "react-router-dom"; import AgmtTable from "./AgmtTable"; import * as AgmtAction from "../redux/actions/AgmtAction"; class AgmtContainer extends

问题 I am trying to navigate from one screen to other screen inside tabbar in react native. But, I am getting following error ButtonClickCheckFunction = () => { const { navigation } = this.props; navigation.navigate('detailsScreen', { detailsScreen: jsonData }); } Any suggestions? For main screens, In tab bar we have created stack, const AppStack = createAppContainer(createDrawerNavigator({ Dashboard: { screen: ProfileStack, }, Connect: { screen: Connect, }, screen1: { screen: Screen1, } }); But,

问题 I have been stuck for a few hours now.. I am trying to send a component new props... but It wont get the new ones. Here is what happens. First the user clicks a button on the post component... It fires the function, 'add favorites' and 'addFavs' on the parent component below. These two functions determine if it should add the user to favorites or delete the user from favorites. When the user is added as a favorite, the button they clicked, inside the searchResults component, appears a

问题 I have been stuck for a few hours now.. I am trying to send a component new props... but It wont get the new ones. Here is what happens. First the user clicks a button on the post component... It fires the function, 'add favorites' and 'addFavs' on the parent component below. These two functions determine if it should add the user to favorites or delete the user from favorites. When the user is added as a favorite, the button they clicked, inside the searchResults component, appears a