I´m using a npm of inputs plus react hooks but when i submit the data i get undefined values in my console. I tried using the default input tags and works fine, the data i send shows perfectly. Any suggestions? is it possible to work with this NPM and react hook form or should i use the default data (Somethin…
Tag: react-hooks
Using prevState Callback function in UseState react Hook
I have some array of products inside filteredProducts variable and wanted to sort them according to the price and newly added products. When using prevState like this without having { } in the callback function, the code runs fine. But when using { } for the prevState callback function like this , it is just …
React useEffect dependency not triggering from async callback
I’ve tried to break this down to it’s simplest components to understand why the useEffect in ButtonStatus is not updating when the state of eventDataId is updated in the processClickButton function of the ButtonView React Component. In this example, I’m making calls to ethereum’s smart…
Why does React Linter complain about a const variable not being added to the dependency array?
If we have a function that fetches user data as such: And then we have a useEffect with an empty array so it runs once after the component has rendered: Then eslint/tslint throws this warning: React Hook useEffect has a missing dependency: ‘fetchUserData’. Either include it or remove the dependenc…
Using use-State hook in react function always throws an error + How to share a variable with another component
I’m a beginner to programming in Javascript/Typescript and just about to develop my very first app in react. To get some data from the backend (FastAPI) I created the function “GetData” that is executed whenever the button is clicked. Component 1: Button import { GetData } from “./sock…
ReactJS double render for a Boolean state with useState
I’m just playing around with ReactJS and trying to figure out some strange behavior with the useState hook. A component should not re-rendered if the state is set with the same primitive value (Boolean) as it was before here is the console output – you can see the component and the hook are both r…
How to get value from radio form in reactJS
I Have this form in one of my react components I then have an onclick function on a button. I want to get the value of the radio form in my function. How do I do that? Is there a way to do it with the useRef hook? Note: I am using functional components so any solution with class components
React form how to get user data based on a toggle on/off
I have a form in React JS with one toggle/switch. If toggle/switch is on, then two inputs appear in the screen. So i want to get user data if the user types in inputs and the toggle/switch is on and stays on. So if the user types in inputs but he toggles/switches again to off then input values get reset
Removing Elements through button click within a map function?
I’m building a todo application in which all elements are inserted in a list of objects and then mapped using the map() function. I’m attempting to add a button with every map, that once clicked – will delete the specific element from the list. I’ve read quite a bit of documentation re…
React-Redux: Data not read during initial render in useState
I am trying to get a list of data called packages and put it in a table. Added filter and sorting to it. I get packages from pakageList reducer Assign to data state Then add soring and filtering logic and assign data to variable called filteredPackages Everything seems fine but when the page initially loads t…