We’ll want the users of our data structure to be able to determine which value they want, so we’ll modify our inner function to accept an argument that will determine which value to return.

Learn how to create a callback function in JavaScript and use it for various purposes, such as asynchronous programming, modularity, flexibility, and custom events.

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.

Remember, these are not regular JavaScript properties; they're special functions that handle data binding subscribers. Therefore, to get the current value, I must call the observable function.

Works in both NodeJS and the browser. For articles and information please see The Data Wrangler. I've removed the DataForge functions that apply to MongoDB and REST APIs. Sorry if you were depending ...

There are five different types of functions: JavaScript functions as OpenWhisk provides them out of the box; Java functions as OpenWhisk provides them out of the box; Java functions using Quarkus; ...