in react the simbol "?" what is his meaning

updating the state of an object 
const [car,sctCar] =usestate({make:'Audi',
                                                   model:'A7',
                                                   year:2024})
write and explain the code in javascript

why do we use map in react js

What does passing props mean in React?

if i need an async function to run after the page is loaded(once) should i put it inside a useeffect?

pass state variable to another component that is not related

how to access state variable declared in child component in parent component

How do I pass a state variable declared in one component to another component

This component should render the text Directors Page in an <h1>, and make a new <div> for each director. The <div> should contain the director's name and a <ul> with a list of their movies

using react  Inside of your ‘App’ class ‘render’ method, return a div with your basic information for example name, number, date of birth and etc. This div should be hard-coded

import axios statement in react

hello world inside a box using react

what is props in react?

what is usereducer in react

how do dependencies work in useeffect

what does react router do?

useRef in react

in which folder should i put my graphql queries and mutations in react

explain React.Fragment

how to use the useEffect hook in react.js

Can you explain useRef's in react and what they are used for.

<img src="./VSCode-logo.png" alt="VSCode logo" />

Is this the right way to write an image element in react?

how to import components in creats next app in react

what is the difference between useState and useEffect?

how to use if statments on react

how to get date in react

explain me what is useState and how does it work

what is the purpose of { useState } in react

how to calculate the total price in our cart using react js toolkit

What is a component in React

React Conditional Rendering

Can you explain the dependency array when using the useEffect hook in react?

how are keys used in React

when we use "use state" in react

what is useRef?

what is useReducer

What is useState in React?

stop running react in terminal for mac

In React, what is a prop is simple terms (with an example)?

What´ is the more succinct way you can refactor the following jquery code in react (you can use refs and assume the jsx can take any form): 
      $(".tab-pane.active")
        .find(".carousel-inner,.carousel-control,.close,.carousel-indicators-cell")
        .css("display", "");

teach me react-query

How do I recreate the salesforce landing page using react, HTML, CSS, and javascript?

how to import icons into react

ERROR in ./src/index.js 8:0-42
Module not found: Error: Can't resolve 'bootstrap/dist/css/bootstrap.css' in 'C:\Users\MSI\Desktop\react-weather-app\src'

how can i make it so that onClick this icon takes me to another component?

            <div className="card-header">
              Latest Orders <i class="bi bi-arrow-right-circle-fill"></i>
            </div>

create hello world of angular

in react typescript depending on the string passed into a function, I need to call the correct function. How would I do this?

Conditional rendering of HTML elements in React?

how do i alter svg size in react

how do you make a Next.js image responsive?

i have a login component and there is a div and a component iside div.
inside that copmponent i have an input element that i want to give border to the div in login component when i click on input element on the component. how can i do that in react ?