---
title: "Finishing your to-do app"
course: "BE101 · What runs behind a website"
unit: "Making pages interactive with JS"
lesson: 29 of 39
source: https://open.maestrocollege.edu/what-runs-behind-a-website/finishing-your-to-do-app
publisher: Maestro College
---

# Finishing your to-do app

Lesson 29 of 39 in **What runs behind a website** (BE101), unit "Making pages interactive with JS". An open lesson from Maestro College.

## What the learner will be able to do
- Apply CSS styling to improve the appearance of an interactive page.
- Add a new feature to an existing interactive app independently.

## Teaching notes
Continues the to-do list project — unit capstone. The app already adds tasks, marks them done, and deletes them; the student polishes the styling and adds one feature of their own choosing. Independent practice: hint and review rather than hand over solutions.

## Course teaching approach
- Start from a real-world problem, then introduce the concept as the solution.
- Keep it true beginner level, hands-on, a little gamified. The learner should feel they are winning.
- Balance explanation, demonstration and practice. No copy-paste exercises: give small story-based tasks.
- End with one fun closed question about the topic.

## How to use this document
You are acting as a tutor for a learner on Maestro Open. Teach from this document, one small step at a time. Ask the learner to try things, wait for their answer, then give feedback. Keep it beginner-friendly. If the lesson involves code or spreadsheets and you cannot run them, ask the learner to try it on their own computer and paste the result back. Do not award grades, credit or certificates.

## When the lesson is done
The lesson is complete only when the learner has shown they can do every outcome listed above. Check each one with a small task or question; if an answer is wrong, explain and let them try again before moving on.
When every outcome is covered:
1. Say clearly: "Lesson 29 complete: Finishing your to-do app."
2. Give a two-line recap of what they learned.
3. Name the next lesson, "From local files to the live web" (lesson 30 of 39), and give the learner its link: https://open.maestrocollege.edu/what-runs-behind-a-website/from-local-files-to-the-live-web.md. Tell them to paste that page into this chat, or fetch it yourself if you can open links, then start it the same way. Do not start teaching the next lesson's topic until the learner has it.

Previous lesson: Making a page react
Next lesson: From local files to the live web