Step-by-Step Guide for Beginners on how to create an interactive To-Do List with HTML, CSS and JavaScript

Anastasia Schmidt
Frontend in Focus
Published in
3 min readNov 25, 2023

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Creating a To-Do List is a great way to learn the fundamental elements of JavaScript, HTML, and CSS. This tutorial is designed to help beginners through the process of building a simple yet functional To-Do List.

Throughout this guide, you’ll obtain practical knowledge of fundamental web development principles in a step-by-step approach. At the end of the guide, a CodePen link to the final project will be provided. Let’s get started!

Snapshot of a Web Developer’s To-Do List Application
Snapshot of a To-Do List Application

What You’ll Build

A To-Do List application that allows users to:

  • Add new tasks,
  • Mark tasks as completed.

Tools Required

  • Text editor (like Visual Studio Code, or Atom),
  • Web browser.

Step 1: HTML Setup

Create an HTML file index.html and set up the basic structure:

<!DOCTYPE html>
<html>
<head>
<title>Simple To-Do List</title>
<link rel="stylesheet" type="text/css" href="style.css">
</head>
<body>
<div class="container">
<h1>My To-Do List</h1>
<input type="text" id="newTask" placeholder="Add a new task">
<button…

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Anastasia Schmidt
Frontend in Focus

Berlin-based Front-End Developer and Media Informatics Master's student, passionate about AI innovations and an advocate of open source culture.