Live demo: https://stephanwagner.me/create-world-map-charts-with-svgmap#svgMapDemoGDP mouseWheelKeyMessage string 'Press the [ALT] key to zoom' The message when ...

Use them in for loops, pass them to functions expecting vanilla JavaScript data structures, etc. Whenever you deeply clone large nested objects, it should typically go much faster with Immutable data ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Andy Brinkmeyer shares how engineering ...

These days, the best iPhone apps can be a challenge to find, due to there being almost two million apps available to download in the App Store. You're usually reduced to checking the top charts to see ...

Transferring data over the network (e.g. HTTP requests, WebSockets) Embedding data in HTML (for hydration, for instance) Storing data in a persistent storage (like LocalStorage) Sharing data between ...

Use popular 'grammar of data' syntax to filter and subset your two-dimensional JavaScript arrays and more. Here's how to use Arquero for data wrangling in Observable JavaScript and Node.js. There are ...

Learn how to make the most of Observable JavaScript and the Observable Plot library, including a step-by-step guide to eight basic data visualization tasks in Plot. Built-in reactivity is one of ...

Ever since it was released in the 1980s, Microsoft Excel has changed how people organize, analyze, and visualize their data, providing a basis for decision-making for the millions of people who use it ...