How to Create a Guess a Number Game with ReactJS

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by vsasikalabe dot icon Updated: Feb 1, 2023

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Guess the number is a basic game in which the player tries to determine a secret number that the computer has selected. Up until the player successfully guesses the number, the computer will provide hints regarding the number, such as whether it is greater or lower than the player's guess.  

HTML, CSS, and JavaScript might be used to create a simple web application to implement the game. The player's predictions might be checked using conditional expressions, and the computer could produce the secret number using the Math.random() method.  

  • Math.random(): This built-in function, produces a random integer between 0 and 1. To produce random integers inside a certain range, you may combine the Math.random() method with additional JavaScript functions.  

We can use the useState hook to manage the state of the game and the useEffect hook to set up the game when the component mounts.  

  • useState: This hook allows you to add state to functional components. You can handle state in your components without changing them into class components thanks to this.  
  • useEffect: This hook in React allows you to perform side effects in functional components.  

For more information about how to implement Guess the Number Game in ReactJs, refer to the code given below.

Preview of the output that you will get on running this code from your IDE


In this solution we use the React library.


Follow the steps carefully to get the output easily.

  1. Install the Node.js and React on your IDE(preferable Visual Studio Code).
  2. Create React Application using npx create-react-app foldername.
  3. cd foldername.
  4. Open the folder in IDE.
  5. Copy the code using "copy" button above and paste it in App.js file(remove the earlier code from App.js).
  6. import React useState.(refer DEMO for additional codes)
  7. Add export default GuessTheNumber to the last line of the code.
  8. Open the terminal from IDE.
  9. npm start to run the file.

You can also refer DEMO for getting the above output.

I hope you found this useful. I have added the link to dependent libraries, version information in the following sections.

I found this code snippet by searching for 'Guess the Number Game in Reactjs' in kandi. You can try any such use case!

Environment Tested

I tested this solution in the following versions. Be mindful of changes when working with other versions.

  1. The solution is created in VS Code 1.73.1 version.
  2. The solution is tested on Nodejs 16.14.2 version.
  3. react 18.2.0 version.

Using this solution, we are able to do Guess the Number Game in Reactjs with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to do Guess the Number Game in Reactjs.

Dependent Libraries

create-react-appby facebook

JavaScript doticonstar image 100082 doticonVersion:v5.0.1doticon
License: Permissive (MIT)

Set up a modern web app by running one command.


            create-react-appby facebook

            JavaScript doticon star image 100082 doticonVersion:v5.0.1doticon License: Permissive (MIT)

            Set up a modern web app by running one command.

                      You can search for any dependent library on kandi like 'react'.


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