Loading Data with React & D3

Loading Data with React and D3

This example demonstrates how to load and summarize a CSV dataset asynchronously using React alongside D3. The app fetches CSS named colors from a GitHub gist with D3’s `csv` function, then uses React hooks (`useState`, `useEffect`) to manage the loading state and update the view. Before displaying the data, it computes the file size in kilobytes, row count, and column count using `d3.csvFormat`. While loading, a simple text message appears; afterward, the summary is rendered in a `<pre>` element.

JJing-MS

Loading Data with React & D3

This example demonstrates how to load and summarize a CSV dataset in a React app using D3 utilities. It fetches CSS named colors data from a GitHub gist via `d3.csv`, stores the result in React state with the `useState` and `useEffect` hooks, and then displays a message showing the file size in kilobytes, row count, and column count. The `d3.csvFormat` function calculates the data size, while React renders the summary as text. The visualization uses D3 v7 and React 16.9 with no charting, focusing solely on data loading and state management.

DDanielMa

Loading Data with React & D3

This example demonstrates how React and D3 can work together to load and summarize a CSV dataset. It fetches a list of CSS named colors from a GitHub gist using D3’s `d3.csv` utility, storing the parsed data in React state via the `useState` and `useEffect` hooks. While the data loads, it displays a loading message; once available, it shows the file size in kilobytes, row count, and column count, computed with `d3.csvFormat`. The visualization is minimal—just text in a `<pre>` element—but clearly illustrates the data-loading workflow.

CChristian Potdevin

Loading Data with React & D3

This example shows a React component that loads a CSV file of CSS named colors using D3’s `d3.csv` utility, then displays summary statistics about the dataset within a `<pre>` element. The code relies on React hooks (`useState`, `useEffect`) to manage the asynchronous data loading and render a "Loading..." message until the data arrives. Once loaded, it uses `d3.csvFormat` to calculate the data size in kilobytes, along with row and column counts. The data comes from a gist hosted CSV file, and the interface is built with React 16.9 and D3 v5.

Ssophburke

Loading Data with React and D3

This example demonstrates how to load and display CSV data within a React application using D3 utilities. The app fetches a dataset of CSS named colors from a GitHub gist via the `d3.csv` method, storing the result in React state with the `useState` and `useEffect` hooks. Once loaded, a summary message is rendered as large SVG text, showing the file size in kilobytes, row count, and column count using `d3.csvFormat`. While data is loading, the display simply shows the text “loading,” providing a clear visual state transition.

MMichael Bergerson

Loading Data with React & D3

This example demonstrates how to load external data in a React application using D3 utilities, displaying file size, row count, and column count for a CSV of named CSS colors. The app fetches data from a GitHub gist via `d3.csv`, stores it in React state with the `useState` hook, and updates the view once loading completes. React 16.9 and D3 v5 are loaded from CDNs, with ReactDOM rendering a single `<pre>` element that shows “loading” until the asynchronous CSV request resolves and the message function formats the dataset’s metrics.

ZZaynaib (Ola) Giwa

Loading Data with React & D3

This example shows how React state and D3 utilities work together to load and summarize a remote CSV dataset. The app fetches CSS named colors data from a GitHub gist URL using D3’s `csv` method, then stores the parsed result in React’s `useState` hook via `useEffect`. While loading, it displays “Loading…”, and once the data arrives, it renders a text summary computed by a custom `message` function that uses `d3.csvFormat` to report the dataset size in kilobytes, row count, and column count. The visualization relies on React 16.9 and D3 v5.

Zzhangwbhi

Loading Data with React & D3

This example demonstrates how to integrate D3’s data-loading utilities with React state management. The application fetches a CSV file of CSS named colors from a GitHub gist using `d3.csv`, stores the parsed dataset in React’s `useState` hook, and displays a summary message generated by a helper function. While loading, it shows “Loading…” text, then presents the file size in kilobytes, row count, and column count via `d3.csvFormat` and the array’s `length` and `columns` properties. The code uses React hooks (`useEffect`, `useState`) and D3 v7.

Jjanneprice