Expense Tracker in JavaScript with Source Code

Expense Tracker in JavaScript with Source Code

The Expense Tracker in JavaScript is a simple project designed in JavaScript language using HTML and CSS platform. 

This project will allow users to better track their expenditures and revenue.

The Expense tracker will show you the homepage where you can see your balance, income, expenses, and the history of expenses.

This simple mini project for Expense Tracker in JavaScript is complete and totally error free and  also includes a downloadable Source Code for free, just find the downloadable source code below and click to start downloading.

Before you start to click the download now first you must click the Run Quick Scan for secure Download. 

Expense Tracker in JavaScript with Source Code

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.

Anyway if you want level up your knowledge in programming especially JavaScript Programming, try this new article I’ve made for you Best JavaScript Projects With Source Code For Beginners.

To start creating a Expense Tracker in JavaScript with Source Code, make sure that you have any platform in creating a JavaScriptbootstrap, and HTML installed in your computer, in my case I will use Sublime Text.

Expense Tracker in JavaScript with Source Code

Time needed: 5 minutes

Here’s the Steps on how to create a Expense Tracker in JavaScript with Source Code

  • Step 1: Open Sublime Text.

    First, after installing sublime text IDE, click “open” to start.

  • Step 2: Create a HTML file.

    Next, click “file” and select “save as” and named it “index.html“.
    Create index.html for Expense Tracker in JavaScript with Source Code

  • Step 3: Create a JavaScript file.

    Then, click “file” and select “save as” and named it “script.js“.
    Create script.js for Expense Tracker in JavaScript with Source Code

  • Step 4: Create a CSS file.

    Last, click “file” and select “save as” and named it “style.css“.
    Create style.css for Expense Tracker in JavaScript with Source Code

  • Step 5: The actual code.

    Finally, You are free to copy the code given below and paste to your different file created.

Code for the index.html in Expense Tracker in JavaScript

In the code given below, which is the code contains the interface of the application. This code will show the form that will be use in html.

<!DOCTYPE html>
    <meta charset="utf-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <title>Itsourcecode Expense Traker</title>
    <meta name="description" content="" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <link rel="stylesheet" href="style.css" />
    <h2>Itsourcecode Expense Tracker System</h2>
    <div class="container">
      <h4>Your balance</h4>
      <h1 id="balance">₱0.0</h1>
      <div class="inc-exp-container">
          <p id="money-plus" class="money plus">+₱0.00</p>
          <p id="money-minus" class="money minus">-₱0.00</p>
      <ul id="list" class="list">
      <h3>Add New Transation</h3>
      <form action="" id="form">
        <div class="form-control">
          <input type="text" id="text" placeholder="Please enter the name of your expenses..." />
        <div class="form-control">
          <label for="amount"
            placeholder="Please enter the amount you want to add..."
        <button class="btn">Add transation</button>

    <script src="script.js" async defer></script>

Code for the style.css in Expense Tracker in JavaScript

In the code given below, which is the code contains the interface design of the application. This code will show the form that will be use for designing.

@import url("https://fonts.googleapis.com/css2?family=Viaoda+Libre&display=swap");

:root {
  --bg: #463333;
  --text: #fff0f0;
  --line: #ebd4d4;
  --last: #835858;
  --box-shadow: 0 1px 5px rgba(250, 250, 250, 0.2),
    0 1px 5px rgba(255, 255, 255, 0.3);

* {
  box-sizing: border-box;
body {
  font-family: "Times New Roman", cursive;
  background-color: blue;
  color: white;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
  min-height: 100vh;
.container {
  margin: 30px auto;
  width: 350px;
h1 {
  letter-spacing: 1px;
  margin: 0;
h3 {
  border-bottom: 1px solid var(--line);
  padding: 10px;
  margin: 40px 0 10px;
  background-color: #00ff00;
h4 {
  margin: 0;
  text-transform: uppercase;
  color: white;
p {
  color: var(--bg);
  font-weight: bold;
.inc-exp-container {
  background-color: #00ff00;
  padding: 20px;
  box-shadow: var(--box-shadow);
  display: flex;
  justify-content: space-between;
  margin: 20px 0;
.inc-exp-container > div {
  flex: 1;
  text-align: center;
.inc-exp-container > div:first-of-type {
  border-right: 1px solid var(--last);
.money {
  font-size: 20px;
  letter-spacing: 1px;
  margin: 5px 0;
.money.plus {
  color: forestgreen;
.money.minus {
  color: crimson;
label {
  display: inline-block;
  margin: 10px 0;
  font-size: large;
  font-weight: bold;
  text-decoration: underline;
input[type="number"] {
  border: 1px solid var(--last);
  border-radius: 5px;
  display: block;
  font-size: 16px;
  padding: 10px;
  width: 100%;
.btn {
  cursor: pointer;
  background-color: #00ff00;
  box-shadow: var(--box-shadow);
  color: var(--bg);
  display: block;
  font-size: 16px;
  font-weight: bold;
  margin: 10px 0 30px;
  padding: 10px;
  width: 100%;
.delete-btn:focus {
  outline: none;
.list {
  list-style-type: none;
  padding: 0;
  margin-bottom: 40px;
.list li {
  background-color: var(--text);
  color: var(--bg);
  display: flex;
  justify-content: space-between;
  position: relative;
  padding: 10px;
  margin: 10px 0;
.list li.plus {
  border-right: 5px solid forestgreen;
.list li.minus {
  border-right: 5px solid crimson;
.delete-btn {
  cursor: pointer;
  background-color: var(--line);
  border: 0;
  font-size: 20px;
  line-height: 20px;
  padding: 2px 5px;
  position: absolute;
  top: 50%;
  left: 0;
  transform: translate(-100%, -50%);
  opacity: 0;
  transition: opacity 0.3s ease-in;
.list li:hover .delete-btn {
  opacity: 1;

Code for the script.js in Expense Tracker in JavaScript

In the code given below, which is the code contains the interface function of the application. This code will show the function of the form that will be use in html.

const balance = document.getElementById("balance");
const money_plus = document.getElementById("money-plus");
const list = document.getElementById("list");
const form = document.getElementById("form");
const text = document.getElementById("text");
const amount = document.getElementById("amount");
const money_minus = document.getElementById("money-minus");
const localStorageTransations = JSON.parse(localStorage.getItem("transations"));

let transations =
  localStorage.getItem("transations") !== null ? localStorageTransations : [];

//add transation
function addTransation(e) {
  if (text.value.trim() === "" || amount.value.trim() === "") {
    text.placeholder = "please add a text";
    text.style.backgroundColor = "#ccc";
    amount.placeholder = "please add amount";
    amount.style.backgroundColor = "#ccc";
  } else {
    const transation = {
      id: genenrateID(),
      text: text.value,
      amount: +amount.value,
    text.value = "";
    amount.value = "";
//generate id
function genenrateID() {
  return Math.floor(Math.random() * 100000000);

//add transations to dom list
function addTransationDOM(transation) {
  //get sign
  const sign = transation.amount < 0 ? "-" : "+";
  const item = document.createElement("li");
  //add class based on value
  item.classList.add(transation.amount < 0 ? "minus" : "plus");
  item.innerHTML = `${transation.text} <span>${sign}${Math.abs(
  )}</span> <button class="delete-btn" onclick="removeTransation(${
//update the balance
function updateValues() {
  const amounts = transations.map((transation) => transation.amount);
  const total = amounts.reduce((acc, item) => (acc += item), 0).toFixed(2);
  const income = amounts
    .filter((item) => item > 0)
    .reduce((acc, item) => (acc += item), 0)
  const expense = (
    amounts.filter((item) => item < 0).reduce((acc, item) => (acc += item), 0) *

  balance.innerText = `₱${total}`;
  money_plus.innerText = `₱${income}`;
  money_minus.innerText = `₱${expense}`;
function removeTransation(id) {
  transations = transations.filter((transation) => transation.id !== id);

//updatelocal storage
function updateLocalStorage() {
  localStorage.setItem("transations", JSON.stringify(transations));

function init() {
  list.innerHTML = "";

form.addEventListener("submit", addTransation);
Project Name :Expense Tracker in JavaScript
Project Platform :JavaScript
Programming Language Used:php,javascript,html,css
Developer Name :itsourcecode.com
IDE Tool (Recommended):Sublime
Project Type :Web Application
Upload Date:February 24, 2021

Downloadable Source Code


In summary, this Expense Tracker in JavaScript with Source Code can be useful to students or professional who wants to learn web development using JavaScript programming language and it is used html and css platform.

This project can also be modified to fit your personal requirements. Hope this project will help you to improve your skills. Happy coding!


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

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