Rendering data with React and D3 colors

Rendering data with React

This example visualizes CSS named colors as a stacked sequence of horizontal bars, each colored by its RGB hex value. Using React for rendering, it first loads the color data from a remote CSV file via D3’s `csv` utility and stores it in state. Once loaded, it maps over the data, creating a `<div>` for each color with the appropriate `backgroundColor` and fixed dimensions. The implementation combines React’s `useState` and `useEffect` hooks with D3’s data-fetching and parsing API, while also referencing a separate `message` module that computes file size, row, and column counts via D3’s format functions.

MMorgan Worrell

Rendering Data with React

This example uses React and D3 to render CSS named colors as horizontal bars. It loads a CSV file of color names and their RGB hex values via `d3.csv`. Using React’s `useState` and `useEffect`, the data is fetched and stored as state, initially showing a "Loading..." message. Once data arrives, the app maps each row to a `<div>` element with its background color set to the hex value, creating a stacked color strip. The visualization emphasizes React’s state-driven rendering with D3’s data loading utilities.

Yyinhao0424

Rendering Data with React

This example renders a vertical stack of colored horizontal bars representing CSS named colors. The page loads color data from a CSV file using D3’s `csv` utility, then passes the parsed array to React components via `useState` and `useEffect`. Each row’s `RGB hex value` becomes the `backgroundColor` of a full-width `<div>` strip. While the data loads, React displays a “Loading…” message in a `<pre>` element. The visualization demonstrates a minimal React-D3 integration, where D3 handles data fetching and React handles the DOM rendering.

CChris Knight

Rendering Data with React & D3 Again

This example displays CSS named colors as horizontal stacked bars, with each row’s background color set from the CSV’s ‘RGB hex value’ field. The visualization initially shows a “Loading…” message until data arrives. React’s `useState` and `useEffect` manage the asynchronous fetch, while D3’s `csv` utility loads the remote dataset. Each color is rendered as a full-width, 4-pixel-tall div, creating a compact spectrum strip after the data resolves. The code combines React 16.9’s hooks with D3 v5 for data loading.

Tthomasjungcoe

Rendering Data with React & D3

This example shows a load screen displaying the CSS Named Colors dataset as a series of horizontal color bars, with each bar’s background color set to the corresponding hex value from the CSV. The React component uses the useState and useEffect hooks to asynchronously fetch and parse the data with d3.csv, then maps over the array to render the bars as divs. While the page initially displays a large “Loading…” message, it ultimately visualizes the color palette in a stacked, full-width format.

SStefano Renzetti

Rendering Data React & D3

This example displays CSS named colors as horizontal stacked bars, with each row rendered as a div whose background color corresponds to the RGB hex value from the dataset. It uses React hooks (useState, useEffect) to fetch and store data loaded via d3.csv from a gist, and conditionally renders a loading message until the data arrives. The visualization maps each color record to a fixed-width, 4-pixel-high row, producing a dense, rainbow-like strip.

RRedSorrel

Rendering Data with React

This example displays the full list of CSS named colors as horizontal bars stacked vertically, with each bar’s background color set to the corresponding hex value from the dataset. The visualization first shows a “Loading…” message until the data arrives via D3’s `csv` utility, which fetches a CSV file from a GitHub gist. React’s `useState` and `useEffect` hooks manage the asynchronous data loading, and `ReactDOM.render` mounts the component to render each color row as a simple `div` with inline styling.

Iisavedalex

Rendering CSS Colors Data with React & D3

This example visualizes all named CSS colors as a vertical stack of thin horizontal bars, each colored according to its corresponding RGB hex value. It loads color data from a CSV file using D3’s `csv` utility, stores the fetched array in React state via the `useState` and `useEffect` hooks, and renders each row as a styled `div`. While the data loads, a large "Loading..." message appears. The visualization highlights the sequential ordering of the color list and demonstrates a simple React–D3 data-fetching integration without any charting library.

PPaul B