Variable in HTML Formular Dropdown übergeben?

2 Antworten

<!DOCTYPE html>
<script>
function neuerPunkt(wert) {
  var x = document.getElementById("liste");
  var option = document.createElement("option");
  option.text = wert;
  option.value = wert;
  x.add(option);
}
</script>
<form onsubmit="neuerPunkt(hinzufuegen.value); return false;">
  <select id="liste">
    <option value="1">1</option>
    <option value="2">2</option>
    <option value="3">3</option>
    <option value="4">4</option>
  </select>
  <input name="hinzufuegen" id="hinzufuegen" placeholder="neuer Punkt">
  <button type="submit">hinzufügen</button>
</form>

Alex