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Postnummer autofill - Henter postnummer fra bring og autofiller en form input med det
<input type="text" pattern="\d*" class="form-control" id="postal" placeholder="0000" maxlength="4" required onkeyup="autofillCity(this.value)">
function autofillCity(postnummer) {
if (postnummer.length == 4) {
url: '' + postnummer + '',
method: 'get',
dataType: 'json',
crossDomain: true,
success: function(data) {
if (data.valid == true) {
document.getElementById("city").value = data.result;
return true;
} else {
document.getElementById("city").value = "Ugyldig postnummer";
return false;
} else {
document.getElementById("city").value = "Skriv inn postnummer...";
return false;
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