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HTML

<select>
  <option>Kies een datum</option>
  <optgroup label="Amsterdam">
    <option value="volvo">dinsdag 21 augustus 2018 - 09:30</option>
    <option value="saab">woensdag 22 augustus 2018 - 09:30</option>
  </optgroup>
  <optgroup label="Bilthoven">
    <option value="volvo">dinsdag 21 augustus 2018 - 09:30</option>
    <option value="saab">woensdag 22 augustus 2018 - 09:30</option>
    </optgroup>
  <optgroup label="Utrecht">
    <option value="volvo">dinsdag 21 augustus 2018 - 09:30</option>
    <option value="saab">woensdag 22 augustus 2018 - 09:30</option>
  </optgroup>
</select>

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JSFiddle - React, Tailwind, and code Playground

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Join the 4+ million users, and keep the JSFiddle dream alive.

Ad-free

Use pre-released features

Fiddle collections

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Console