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Last edited Jan 19, 2019

Created on Jan 19, 2019

This example demonstrates a simple asynchronous data-loading and reporting workflow using D3.js v5. It fetches a hardcoded JSON array of car objects via a custom `getall()` promise, filters cars priced under $2000, formats each record with `formatCars`, and joins the results into a report displayed in the page’s message div. The code uses D3’s `select()` to update the DOM text initially with “loading…”, then replaces it with the generated report after a five-second delay. Styling relies on an external Ubuntu font and a dark theme from `styles.css`.

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