Think together · Start with a story
A girl builds a little stage: first she adds a heading and a button, then chooses colors, and finally makes the button respond when clicked.
Break down the process
- HTMLStructure and content
- CSSStyle and layout
- JavaScriptBehavior and logic
HTML describes page structure, CSS controls presentation, and JavaScript can add interaction and computation.
Think of building with blocks, painting colors, and adding moving parts. The three can work together: HTML provides a button, CSS makes it clear and easy to click, and JavaScript can update a score when it is clicked.
The browser uses these pieces to display the page, while the server may still handle data processing.
Your turn to try
If you only want to change a heading's color to purple, which part would you usually change first?
Ready? Open to see the explanation
CSS. Changing the heading's words is a content change; counting clicks usually involves behavior and logic.
One idea to remember
HTML describes page structure, CSS controls presentation, and JavaScript can add interaction and computation.
Try covering the picture above and explaining each step to your family. If one step is hard to explain, revisit that card.