see the cursor is between the char 7 and the char d -> position 7 in the TUniEdit
function keyup(sender, e, eOpts)
{
document.getElementById("M1234_aa-inputEl").value = e.target.selectionStart.toString(); the UniEdit just by Id name (given in the form create -
edCCList.JSControl.Id := 'M1234_aa';
watch that the INPUT name is - M1234_aa-inputEl
MySendMailFrm.ExtEventResultString.setText(e.target.selectionStart.toString()); the UniLabel by form name and component name
}