Except as otherwise provided in this article, the chief justice and associate justices of the supreme court, circuit judges, chancellors, and judges of probate, shall hold office for the term of six years, and until their successors are elected or appointed, and qualified; and the right of such judges and chancellors to hold their offices for the full term hereby prescribed shall not be affected by any change hereafter made by law in any circuit, division, or county, or in the mode or time of election.