vowill

var schedule1, Pos_um_0_Uhr, Pos_um_24_Uhr, Werte_pro_Stunde, Nummer_des_Datenwerts;

function textCount(haystack, needle) {
  if (needle.length === 0) {
    return haystack.length + 1;
  } else {
    return haystack.split(needle).length - 1;
  }
}