--- title: "Code Diff" description: "An edit shown as a colored diff — removed lines collapse in red, added lines expand in green." mode: "frame" --- import { CatalogDetail, CatalogSlot } from "/snippets/catalog-detail.jsx"; import { InstallCommand } from "/snippets/install-command.jsx";

Code Diff

An edit shown as a colored diff — removed lines collapse in red, added lines expand in green.

```html code-diff.html Code Diff
greet.js — Code Diff
``` That writes one file: `compositions/code-diff.html`.
## Add it to your video It runs for 6 seconds at 1920×1080. Paste this into your composition: ```html index.html
``` Move it in time with `data-start`. Put it on a different timeline row with `data-track-index`. See [data attributes](/concepts/data-attributes) for the rest. {/* hf:generated-footer */} Tagged `code` `code-animation` `diff` `developer`. ## Related topics - [Browse the complete Catalog](/catalog) - [Add assets and Catalog items in the browser editor](/studio/assets-and-blocks) - [Put blocks together into one video](/concepts/compositions)