Aha!
Kode
function activateButton(element) {
if(element.checked) {
document.getElementById("sign_submit").disabled = false;
}
else {
document.getElementById("sign_submit").disabled = true;
}
};
Kode
<button type="submit" class="btn" id="sign_submit" disabled>Registrer deg!</button>
Gir dette noen mening for deg?