Animated Letters

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Animated Letters

✓ Published1🌍 Public

Last edited Aug 19, 2024

Created on Aug 12, 2024

This animated visualization demonstrates D3’s selection join pattern by showing random letters entering, updating, and exiting a view. Green letters appear from the top, black letters shift horizontally to their new positions, and brown letters drift downward before disappearing. The example uses `d3.select`, `selectAll`, `join`, and `transition` with a 750-millisecond duration, driven by `setInterval` updates every second. It also includes a custom `randomLetters` function that shuffles and sorts the alphabet, highlighting how transitions handle dynamic data with hot-reload-friendly interval management.

AI-generated description

An adaptation of the classic Observable: selection.join example that uses Vanilla JavaScript. Green is the enter selection, black is the update selection, and red is the exit selection. Demonstrates how to use D3 transitions. It also demonstrates one way to use setInterval in a way that works with hot reloading and various frameworks. See also d3-rosetta.

MIT Licensed

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