JavaScript Quiz Source Code

The JavaScript Quiz Source Code is developed using JavaScript, CSS and HTML, this JavaScript Quiz Using Arrays give a simple question to the user to be answer and after that the score will display and count the correct answer of the user.

A JavaScript Quiz For Beginners is designed for the beginners or the students who wants to learn in web developing.

The HTML JavaScript Quiz Code is easy to understand the codes and also easy to manipulate by the users.

This JavaScript Quiz With Answers also includes a downloadable JavaScript Quiz Example Source Code for free, just find the downloadable source code below and click to start downloading.

I have here a suggested list of Best JavaScript Projects with Source Code Free to download and I’m sure this can help you to improve your skills in JavaScript programming and web development as a whole.

To start creating a JavaScript Quiz Source Code, makes sure that you have any platform in creating a JavaScript, CSS, bootstrap, and HTML installed in your computer, in my case I will use Sublime Text.

Steps on how to create a JavaScript Quiz Source Code

JavaScript Quiz Source Code

Step 1: Create a folder.
First, create a folder and named it.
Step 2: Open the folder in “Sublime Text”.
Second ,after creating a folder, open it in “sublime text“.
Step 3: Create a html file.
Third, create a “html” file and save it as “index.html“
Step 4: Create a css file.
Fourth, create a “css” file and save it as “style.css“
Step 5: Create a javascript file.
Fifth, create a “javascript” file and save it as “script.js“

The Code Given Below Is For The HTML File

<!DOCTYPE html>
<html>
<head>
<title>Quiz</title>
<link href="style.css" rel="stylesheet">
<script src="main.js"></script>

</head>
<body>

<h1>Simple Javascript Quiz</h1>
<form id="quiz" name="quiz">
	
	<p>What is the Capital city of Drc (Democratic Republic of Congo) </p>
	
    <input type="radio" id="mc" name="question1" value="brazzaville">Brazzaville<br>
    <input type="radio" id="mc" name="question1" value="kinshasa">Kinshasa<br>
    <input type="radio" id="mc" name="question1" value="durban">Durban<br>

	<p>What is the Capital city of SA (South Africa) </p>

    <input type="radio" id="mc" name="question2" value="Rabat">Rabat<br>
    <input type="radio" id="mc" name="question2" value="Johannesburg">Johannesburg<br>
    <input type="radio" id="mc" name="question2" value="pretoria">Pretoria<br>



    <p>What is the Capital city of RCA (Republic Center Africa)</p>

    <input type="radio" id="mc" name="question3" value="bangui">Bangui<br>
    <input type="radio" id="mc" name="question3" value="bandundu">Bandundu<br>
    <input type="radio" id="mc" name="question3" value="luanda">Luanda<br>
</br>
    <input id="button" type="button" value="I'm finished!" onclick="check();">

</form>

<div id="after_submit">
	<p id="message"></p>
<p id="number_correct"></p>
</div>

<button onclick="myFunction()">Restart</button>


</body>
</html>

In this file which is the html file of the system project.

The Code Given Below Is For The JavaScript File

function check(){


	var question1 = document.quiz.question1.value;
	var question2 = document.quiz.question2.value;
	var question3 = document.quiz.question3.value;
	var correct = 0;

	if (question1 == "kinshasa"){
		correct++;
}
    if (question2 == "pretoria") {
    	correct++;
}
    if (question3 == "bangui") {
    	correct++
    }  

    var messages = ["Good job", "Not bad", "You really need to do better"];
    var range;

     if (correct < 1){
     	 range = 2;
     }

      if (correct > 0 && correct < 3){
     	 range = 1;
     }

        if (correct > 2){
     	 range = 0;
     }

   document.getElementById("after_submit").style.visibility="visible";


   document.getElementById("message").innerHTML = messages[range];
   document.getElementById("number_correct").innerHTML = "you got " + correct + " correct.";

}

// reflesh page function

function myFunction() {
    location.reload();
}

In this file which is the JavaScript file of the system project.

The Code Given Below Is For The CSS File

#after_submit {
	visibility: hidden;
}

In this file which is the css file of the system project.

ABOUT PROJECT	PROJECT DETAILS
Project Name :	JavaScript Quiz
Project Platform :	JavaScript
Programming Language Used:	php,javascript,html,css
Developer Name :	itsourcecode.com
IDE Tool (Recommended):	Sublime
Project Type :	Web Application
Database:	None
Upload Date:	November 17, 2020

Downloadable Source Code

DOWNLOAD

Summary

This JavaScript Project With Source Code is simply in HTML, CSS, and JavaScript. Talking about the project, A user has to enter his/her name before entering the chatroom.

After that, the user can easily share messages present in the chatroom. This project includes a lot of JavaScript for making the functioning of the project.

Inquiries

If you have any questions or suggestions about JavaScript Quiz Source Code , please feel free to leave a comment below.

Frequently Asked Questions

How does this JavaScript quiz or examination system work?

Admin creates quizzes, questions, answers. Students attempt quiz with countdown via setInterval, submit answers, system auto-grades.

What JavaScript runtime or browser does this project need?

Pure frontend projects (vanilla JS, Vue, jQuery) run in any modern browser (Chrome 90+, Firefox 88+, Safari 14+, Edge 90+) – no install needed. Node.js projects need Node.js 18 LTS or 20 LTS (download from nodejs.org). Run: npm install in project folder, then npm start or node app.js.

How do I run this JavaScript project locally?

For pure HTML/CSS/JS: open index.html in your browser, or use VS Code Live Server extension for auto-reload. For Vue projects: npm install then npm run dev (Vite) or npm run serve (Vue CLI). For Node.js: npm install then npm start. For projects with backend (PHP+MySQL): place in XAMPP htdocs, start Apache + MySQL, browse to localhost/project.

Can I use this JavaScript project for a BSIT capstone or thesis?

Yes. Extend it: add user authentication (JWT for SPA, sessions for traditional), role-based access, real backend (Node.js+Express+MongoDB or PHP+MySQL), responsive design (Bootstrap/Tailwind), PDF exports (jsPDF), real-time features (Socket.IO). Pair with Chapter 1-5 documentation matching your panel’s rubric.

Why am I getting ‘Uncaught ReferenceError’ or ‘Cannot read property of undefined’?

Three common JavaScript issues: (1) Script tag placement wrong, put

JavaScript Quiz Source Code