This demo shows select behavior using <tr> elements instead of <option>
To declare any element to be an <option> inside select you need to define role="option" attribute in it.
| Alkaline Metals | |
|---|---|
| Li | Lithium |
| Na | Sodium |
| K | Potassium |
| Halogens | |
| F | Fluorine |
| Na | Chlorine |
| Br | Bromine |
| Sign | Description |
|---|---|
| Li | Lithium |
| Na | Sodium |
| K | Potassium |
| F | Fluorine |
| Na | Chlorine |
| Br | Bromine |