Loading data in D3

100%

Loading data in D3

✓ Published1🌍 Public

Last edited Apr 4, 2022

Created on Mar 18, 2022

This example demonstrates asynchronous data loading and rendering in D3 with a React front end. It fetches a CSV file of named colors from a GitHub gist using the `d3.csv` API, displaying each row as a colored `<div>` block once the data arrives. The page initially shows a "loading..." placeholder until the promise resolves, then maps each CSV entry to a styled HTML element whose background color is set from the `color` field. The code uses React hooks (`useState`, `useEffect`) to manage state and trigger the D3 request.

AI-generated description

A program that uploads & parse a csv for you

MIT Licensed

Similar vizzes

Loading thumbnail…

Loading Data

This example demonstrates asynchronous data loading with D3 and React. It fetches a CSV file of CSS named colors from a GitHub gist, then displays the file size, row count, and column count as plain text. The code uses React hooks (`useState`, `useEffect`) to manage state and trigger the `d3.csv` request, while a helper function formats the statistics from the parsed data. Rendering switches from a “loading…” message to the dataset summary once the promise resolves.

Kkevin-jake

94% match

Loading thumbnail…

loading data d3

This example demonstrates asynchronous data loading in a React application using D3 v6. It fetches a CSV file of CSS named colors from a GitHub gist via `d3.csv()` and displays either a loading message or a data summary through a React state hook. The code uses `useState` and `setData` to trigger re-rendering when the promise resolves, while a secondary helper parses the fetched text with `d3.csvParse()` to show file size in kilobytes.

Kkhaled mohamed

93% match

Loading thumbnail…

Loading Data with React & D3

This example demonstrates asynchronous data loading in a React component using D3’s `csv` function to fetch a named-color dataset from a GitHub gist. The app renders a text summary displaying the data size in kilobytes, row count, and column count once the CSV arrives, with a loading message before completion. It uses React hooks (`useState`) to manage state and invokes `d3.csv` within the component. The visualization is minimal, showing only a `<pre>` element with dynamic text, originally intended to accompany a "following circle" SVG sketch visible in the HTML comments.

Yyungchiau

93% match

Loading thumbnail…

Loading Data with React and D3

This example demonstrates loading a CSV dataset into a React component using D3’s `d3.csv` method, fetching CSS named colors from a GitHub gist. Once the data arrives, it is stored in React state via the `useState` hook, and the raw data object is displayed directly in the DOM. The visualization renders as SVG, with the React app mounted into a root div, showing the asynchronous data-loading pattern in a minimal interface. The code highlights integration of D3’s data fetching with React’s component lifecycle.

Oonthebanks14

93% match

Loading thumbnail…

Loading Data with React & D3

This example demonstrates a data-loading workflow where D3’s `csv` function fetches a dataset of CSS named colors and their hex values from a GitHub gist. The React app uses `useState` and `useEffect` to manage the asynchronous data fetch, displaying a “Loading...” message until the data arrives. Once loaded, each row renders as a thin horizontal rectangle with its background color set to the corresponding `RGB hex value` field. The visualization uses React’s `map` method to create stacked color swatches, showing a flat, ordered list of all colors in the CSV.

Kkeitheade

93% match

Loading thumbnail…

Loading data using d3 and react

This example demonstrates loading a CSV dataset into a React component using D3’s `csv` method. The code fetches a list of named CSS colors from a GitHub gist and displays the number of rows and columns in the dataset as text. React hooks like `useState` manage the asynchronous data loading state, showing a “loading…” message until the promise resolves. The visualization itself is minimal, focusing solely on data retrieval and basic metadata display rather than graphical rendering.

AAnimesh Nautiyal

92% match

Loading thumbnail…

Loading Data with React and D3

This example demonstrates how to load external data into a React application using D3 utilities. It fetches a CSV file containing named colors from a GitHub gist via `d3.csv`, then stores the resulting promise data in React state with the `useState` hook. The app renders the raw data object to the screen rather than visualizing it, and the stripped-down SVG markup in `index.html` suggests a possible future plot. It uses React 16.9, D3 v6, and SVG rendering, with dynamic sizing based on `window.innerWidth` and `window.innerHeight`.

HHeidi Stockton

92% match

Loading thumbnail…

Loading Data with React and D3

This example demonstrates how to load and summarize CSV data asynchronously using React and D3. It fetches the CSS named colors dataset from a GitHub gist via D3's `csv` function, storing the result in React state with the `useState` and `useEffect` hooks. The rendered view displays a plain-text summary of the loaded data, including size in kilobytes, row count, and column count, calculated using `d3.csvFormat`. Until the data arrives, a “loading” message appears.

Aangelathacker123

92% match