viewof slide = {
debugger;
const slider = html`<input type=range>`;
const div = html`<div><a href='#html'>Here's a link to the <code>html</code> cell</a>.</div>
<br/>
<div>slide this: ${slider}`;
div.value = slider.valueAsNumber;
slider.oninput = () => {
div.value = slider.valueAsNumber;
div.dispatchEvent(new CustomEvent('input'));
};
return div;
}