Lesson 3 — Add Logic with JavaScript
⏱ 25–40 minutes 💻 Build HTML/CSS/JS with live preview in the browser
💡 Making the app respond when users press buttons
👨👩👧 Notes for parents
Level: Master — roughly Grade 9 / ages 14–15 Duration: 25–40 minutes Format: Build HTML/CSS/JS with live preview in the browser Concept: Making the app respond when users press buttons
Learning Objective
Kids write JavaScript so the app reacts to button presses.
Do It Together (Parent-Child Co-participation)
Decide together what the app's button should really do, then edit the code.