Intro to Web Development with HTML CSS JS Assignment Ans

In this article i am gone to share Coursera Course: Introduction to Web Development with HTML, CSS, JavaScript Peer-graded Final Project: Assignment Answer with you.. | Intro to Web Development with HTML CSS JS Assignment Ans

In this Assignment we are gone to create a simple application  which name is Simple Interest Calculator using HTML, CSS, and JavaScript..

I hope you have little bit Knowledge of HTML, CSS, and JavaScript..

Intro to Web Development with HTML CSS JS Assignment Ans

Full Source Code:

<!DOCTYPE html>
<title>Simple Interest Calculator</title>
<!-- Google Fonts -->
<link rel="preconnect" href="">
<link rel="preconnect" href="" crossorigin>
<link href="" rel="stylesheet">
<!-- custom style css -->
background-color: #9C9EFE;
color: #ffffff;
font-family: 'PT Sans', sans-serif;
background-color: #ffffff;
color: #000000;
width: 625px;
padding: 40px;
border-radius: 15px;
margin-left: auto;
margin-right: auto;
box-shadow: rgba(0, 0, 0, 0.12) 0px 1px 3px, rgba(0, 0, 0, 0.24) 0px 1px 2px;
/* #result
display: none;
} */
margin-left: 80px;
table td
padding-bottom: 10px;
margin-bottom: 20px;
background-color: #3CCF4E;
border: 20px;
color: white;
height: 40px;
width: 300px;
box-shadow: rgba(60, 64, 67, 0.3) 0px 1px 2px 0px, rgba(60, 64, 67, 0.15) 0px 2px 6px 2px;
height: 25px;
width: 190px;
height: 35px;
width: 200px;
background-color: #ffff00;
<div class="container">
<h1>Simple Interest Calculator</h1>
<div class="contents">
<table id="table">
<td class="labels"><b>Amount</b></td>
<input type="number" id="principal">
<td class="labels"><b>Interest Rate</b></td>
<input type="range" min="1" max="20" step="0.25" value="10.25" id="rate" name="rate" onchange="SliderValue()"> 
<span id="rate_display">10.25%</span>
<td class="labels"><b>No. of Years</b></td>
<select name="years" id="years">
<option value="1">1</option>
<option value="2">2</option>
<option value="3">3</option>
<option value="4">4</option>
<option value="5">5</option>
<option value="6">6</option>
<option value="7">7</option>
<option value="8">8</option>
<option value="9">9</option>
<option value="10">10</option>
<option value="11">11</option>
<option value="12">12</option>
<option value="13">13</option>
<option value="14">14</option>
<option value="15">15</option>
<button id="compute" onclick="compute()">Calculate Interest</button> <br>
<span id="result"> </span>
<span id="result2"> </span>
function compute()
var principal = document.getElementById("principal").value;

if(principal !== "")
if (principal <= 0){
alert("Enter a positive number");
alert("Enter number Amount..");
var rate = document.getElementById("rate").value;
var years = document.getElementById("years").value;
var interest = principal * years * rate / 100;

var dateNow = new Date();
var yearNow = parseInt(dateNow.getFullYear()) + parseInt(years);

var resultDisplay = document.getElementById("result");
resultDisplay.innerHTML = "<br/> ➔ If you deposit " + "<span class='highlight'>" + principal + "</span> Rupees.<br/>" + "<br>➔ At an interest Rate of "+ "<span class='highlight'>" + rate + "</span>%." + "<br/><br/>➔ You will receive an amount of " + "<span class='highlight'>" + interest + "</span> Rupees" + " in the year " + "<span class='highlight'>" + yearNow + "</span>";

var full_Display = document.getElementById("result2");

var t = parseFloat(principal) + parseFloat(interest);
full_Display.innerHTML = "<br/><br/> ➔ Your Total amount is: <span class='highlight'>" +t+ "</span> Rupees.";


function SliderValue()
var slider = document.getElementById("rate");
var output = document.getElementById("rate_display");
output.innerHTML = slider.value; // Display the default slider value

// Update the current slider value (each time you drag the slider handle)
slider.oninput = function() 
output.innerHTML = this.value;

Preview App:


Download Source Code:

Download File

FAQ simple interest calculator

1) What is a simple interest calculator?

  • A simple interest calculator is a utility tool that calculates the interest on loans or savings without compounding. You may calculate the simple interest on the principal amount on a daily, monthly, or yearly basis.

2) Why do we calculate simple interest?

  • Simple interest is calculated by looking at the principal amount borrowed, the rate of interest, and the time period it will cover. Simple interest is more advantageous for borrowers than compound interest, as it keeps overall interest payments lower.

3) How do I calculate simple interest monthly?

  • Firstly, multiply the principal P, interest in percentage R and tenure T in years. For yearly interest, divide the result of P*R*T by 100. To get the monthly interest, divide the Simple Interest by 12 for 1 year, 24 months for 2 years and so on.

4) What is simple interest answer?

  • Simple interest, I = PRT, where P is the principal amount, R is the rate of interest, T is the time in years.



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