searchDepth - find the depth of nested html elements; for example, ul/ol - uses jQuery

searchDepth.js

function searchDepth() {
  var maxDepth = 0,
      d,
      parents,
      myselector = 'ul, ol';

  $(myselector).each( function(i) {
    parents = $(this).parents(myselector);
    d = parents ? parents.length + 1 : 1;
    maxDepth = d > maxDepth ? d : maxDepth;
  });
  return maxDepth;
}