Create Modern Quiz With React Js

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Hey, Welcome to react series My Name, Rajdeep Singh. In series, we learn to react.js, but This time, we create a small react project. The Project Name quiz app.

Watch The Demo on code sandbox And Download Code.

Download Code on GitHub: react-quiz-app

Demo Here: click here


Let’s start:

Requirement:

  1. Basic React
  2. Code Editor or IDE
  3. Smiley Face

Learn Basic of Reactjs

https://medium.com/@officialrajdeepsingh/what-is-reactjs-d83a61260dbc


Step:

  1. Create React App
  2. Learn Folder Str.
  3. Index.js File
  4. Demo Data
  5. Components

Create React App:

First, Create New React Project on your laptop use This command:

npx create-react-app quiz app
cd my-app
npm start

Learn Folder Str.

In the Src folder

Components folder 3 components file And a Datafile.

Src folder structure
Src folder structure

Index.js File

Index.js main file in the file str. we add CSS file and import component file on index.js

We import the Header and Quiz component to this place

Most Important create render Method on here.

index.js file code
index.js file code

Style For Quiz:

All Styles for the body, header, MainDiv as card, And a button. Create on this file.

Style CSS
Style CSS

Demo Data:

data.js file, I create a variable Name Quizdata. We assign data from of array in the Quizdata variable.

Each index, we create an object. in the object, we add an id, Quiz, FindAnswer, and rightAnswer

In FindAnswer, We add the array with three values.

Data.js file
Data.js file

Components

Header component we return a simple h1 tag for the app title.

Header.js
Header.js

Quiz:

Quiz components work with 5 step

1 step:

Create the state. In-State we create an object. in this object, we create a dataQuestion variable with an array

2 step

We create a function. function name setStateFunstion in this function use react setState method And set data form data.js

3 step

ComponentDidMount simple we call setStateFunstion

4 step

In this step, we use map(). Map function work with an array. In this array map() get data and then we return h2 and Answer component.

Answer Components access data help props we provide here.

Quiz.js
Quiz.js

Answer:

Two-step:

with two-step to learn Answer.js

1 step:

Create a state with 3 parameters first Answer, second clickCheck, and third rightAnaswer.

2 step

We use javascript ternary operator, map function, and event function to clickCheck true to get value to return a button. In this button, we call an Event function.

When some buddy clicks on the button, the button function uses The setState method set false on clickCheck.

Then the ternary operator runs false code to get answer data so simple.

Answer.js
Answer.js

Conclusion:

I hope you read my article Build own quiz app.

Any suggestions and issues plz tell me to feel free.


Contact me


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