## 2019-04-09 Turn a \<div\> into a clock with #AExprs

```javascript
that.innerHTML = ''
that.style.position = 'fixed'
import { aexpr as aexprTicking } from "active-expression-frame-based";
that.appendChild(<span>{aexprTicking(() => new Date().toTimeString().substring(0,5))}</span>)
```
