htl.html`<button onClick=${handleClick}>Add to array</button>`
handleClick = () => {
mutable arr.push(new Date());
mutable arr = mutable arr; // assignment triggers reactive update
}
mutable arr = [new Date()]
arr.length
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
