I'm trying to pass props from one component into a Class component via a <Link> using React-Router.... But I'm having trouble... I have this co ...

I am trying to update a variable when the scores state changes. At the moment I have a function inside a useEffect hook which calculate the sum of the ...

I have three number inputs: I wish to store the state as an array of objects so it looks like the following after a user has entered three numbers: ...

I'm trying to use a context in my react project but i dont know why the component "SideBar" can't update the context. The user flow is a user and pass ...

would anyone be able to help. For some reason I can console.log this property but I cannot put it in within the render section of a react component. ...

I have made a ReactJS application to display the items from a restaurant menu by making use of an API. My API data is in this way: So to display t ...

I'm working on a React project to display the data of a restaurant menu using an API. My data in the API is in this way. In my project I'm display ...

I am working on a history component in my React project. I have the history state and a setter function setHistory() . I have two functions for handli ...

I've this parent component(Parent) which holds an inner component(InnerComp) (for organizing code). The inner component has another nested component(C ...

I'm trying to understand the fundamentals of how React re-renders components on state change. In the example below, the console.log('hi') statement i ...

I've a state named modal in my React App. The initial value is an object that says {show: false, photo: null}. I've two buttons in the page. One is c ...

I render 12 cards on the screen each of which have a unique key attribute. I only started learning react and I want function to only to be called whe ...

Description I'm creating a state management tool for a small project, using mainly useSyncExternalStore from React, inspired by this video from Jack ...

when attempting to get data using formData the response on the first onSubmit action always returns an 'empty string' response, and then on the second ...

after every one second we are calling clock function in index.js , so it means after every one second rendering the element also, but it is not upda ...

Just practicing with intro React Use State and can't figure out what is wrong here when attempting to add a counter and a random user number generator ...

I was trying to setState and use the new value inside of same function. Functions: Input: I understand, that when we get to tasksSetter's execu ...

I have an array which holds 40 objects I am looping through them with a forEach loop. Then I check if the current date is equal to the date in the obj ...

New to React / State / Arrays. Why does this come up with "is not iterable" ...

I am new to react and building a simple react app. And I am trying to insert or update current state with appending new dict's key value pairs into st ...