React hooks can’t be used outside of functional components. Here, you have a class components (also can’t use hooks) Register. You need convert it into functional component and append your state hooks into it. Also, you can useCallback for momize function. export const Register = (props) => { const [usernameReg, setUsernameReg] = useState(“”); const [passwordReg, … Read more
You might be interested in this project. https://github.com/redgeoff/mson MSON is a JSON language to describe forms and there is an example in React with Material UI. I have discovered it yesterday and didn’t test it yet. But it looks nice solved Build Dynamic form from JSON with Material UI
install this librery npm i react-native-drop-shadow import this line import DropShadow from “react-native-drop-shadow”; use this view ginv to shasow <DropShadow style={{ shadowColor: “#000”, shadowOffset: { width: 0, height: 0, }, shadowOpacity: 1, shadowRadius: 5, }} > —– Your Contain ————– </DropShadow> solved card view shadow effect only top side react native [closed]
Final result: Here is how you can do it: import * as React from ‘react’; import { Text, View, StyleSheet, TouchableOpacity } from ‘react-native’; import Constants from ‘expo-constants’; // You can import from local files import AssetExample from ‘./components/AssetExample’; // or any pure javascript modules available in npm import { Card } from ‘react-native-paper’; export … Read more
From the error message I can see that you are trying to run your React component with Node.js. Strange idea. React applications are run in browser, this is a client-side code, so you have to build your application, start the server it is hosted on (in applications created using File | New | Project… | … Read more
You are not using createRef and trying to use focus method which is the issue. Simply create callback ref and you are good to go. Here is the working code below and codesandbox link. index.js import React from “react”; import ReactDOM from “react-dom”; import FocusComp from “./FocusComp”; class App extends React.Component { state = { … Read more
Remove obj(keys) (it creates an unnecessary additional loop) and instead just simply map over this.state.value. Then use a unique property for the key (ideally this should be an id that was assigned by your database). import React, { Component } from “react”; class App extends Component { state = { value: [{ id: “b5dc-58f6-u3ga-fbb4”, title: … Read more
I need run create-react-app with file index.php instead of index.html because I have logic php that I will send to Javascript solved I need run create-react-app with file index.php instead of index.html because I have logic php that I will send to Javascript
getRemoteData is an async function. It returns a Promise, which is an object. To deal with asynchronous data, you need to store the result in the state and use that instead. See also the React FAQ: AJAX and APIs 3 solved ReactJS falsely claims a string is an object and refuses to render
You can use newCollection or manipulate in the collection like this collection.forEach((item)=>{ item.rowMatch = (collection.filter((e)=>{return (e.name==item.name&&e.phone==item.phone)}).length>1)?’true’:’false’; }) console.log(collection) Simple is that.Here is working JSFiddle for it https://jsfiddle.net/touqeer/pgdsw9Le/1/ . 11 solved How to compare each object in an array with each other. When found update the object with a new property
The reason your code doesn’t work is that you never call the async function you’ve created. However, there isn’t any reason to make an inner async function; just make the one you already have async: export const setSearchField = text => async (dispatch) => { dispatch({ type: REQUEST_GIFS_PENDING }); try { const response = await … Read more
Load the images only when they are in the view port. This question tells you how: How do you make images load only when they are in the viewport? solved whats the fastest way to load images using javascript? [closed]
First of all, you will need a Chart library like https://d3js.org/ to be enable to plot the graphs. I found D3js to be the most flexible amongst all the libraries. Then you can integrate the data from your database to the plotting methods provided with the library Examples of D3js plots: https://observablehq.com/@d3/bubble-map https://observablehq.com/@d3/spike-map Other Plotting … Read more
You should use the callback in setState if you want to do that because it is async. Please refer to the following link to get more info: https://reactjs.org/docs/react-component.html#setstate Another alternative is to set the state only once instead of doing it multiple times. You don’t need to put all that info in the state only … Read more
Wrap the value in an object like this value={{placeInfo, reviews, detailsInfo, news}} or create the object on a separate line like this: const value = { placeInfo, reviews, detailsInfo, news }; Then pass it as value={value} solved how can i use what i imported in another component in context API with arrow function