Learn OBSERVABLEHQ with Real Code Examples
Updated Nov 26, 2025
Learning Path
Start with simple reactive cells and plots
Explore D3.js and Plot.js visualizations
Practice linking cells reactively
Build interactive dashboards and data stories
Publish and share notebooks publicly
Skill Improvement Plan
Week 1: Learn notebook basics and reactive cells
Week 2: Visualize simple datasets with Plot or Vega
Week 3: Build interactive visualizations with D3.js
Week 4: Combine multiple reactive cells into dashboards
Week 5: Share, fork, and collaborate on notebooks
Interview Questions
What is ObservableHQ?
How does reactive programming work in notebooks?
What types of visualizations can be created?
How do ObservableHQ notebooks differ from Jupyter?
How can you embed notebooks into web pages?
Cheat Sheet
cell = computation unit
import … from URL -> include JS library
mutable -> reactive variable
md`…` -> Markdown cell
viewof … -> interactive input element
Books
Interactive Data Visualization with Observable
JavaScript and D3 for Observable Notebooks
Reactive Programming in the Browser
Mastering Plot.js for Data Visualization
Building Interactive Dashboards on Observable
Tutorials
Getting Started with ObservableHQ
Reactive Cells and Dependencies
Creating Charts with Plot.js
Interactive Visualizations with D3.js
Embedding Notebooks into Web Pages
Official Docs
https://observablehq.com/@observablehq/introduction-to-observable
https://observablehq.com/@observablehq/guide
Community Links
ObservableHQ community forum
Mike Bostock’s D3.js tutorials
Notebooks gallery for examples
Educational YouTube tutorials
GitHub repositories of shared notebooks
Community Support
ObservableHQ community forum
Mike Bostock’s D3.js tutorials
Interactive notebook examples gallery
Educational resources and workshops
GitHub repositories of shared notebooks