JavaScript

Observable Framework documentation: JavaScript Source: https://observablehq.com/framework/javascript

Use JavaScript to render charts, inputs, and other dynamic, interactive, and graphical content on the client. JavaScript in Markdown can be expressed either as fenced code blocks or inline expressions. You can also import JavaScript modules to share code across pages.

Fenced code blocks

JavaScript fenced code blocks (```js) are typically used to display content such as charts and inputs. They can also be used to declare top-level variables, say to load data or declare helper functions.

JavaScript blocks come in two forms: expression blocks and program blocks. An expression block looks like this (and note the lack of semicolon):