flatHead.js

// findBodyElements returns a document fragment containing
// all elements that should be moved into body from a document-order
// array of elements in head, searching from startIndex to endIndex
function findBodyElements(flatHead, startIndex, endIndex) {
  if (endIndex === -1) {
    endIndex = flatHead.length;
  }
  var container = dom5.constructors.fragment();
  for (var headidx = start, el; headidx < endIndex; headidx++) {
    el = flatHead[headidx];
    // if the element is a script, move it to bodyFragment
    if (matchers.JS(el)) {
      dom5.append(container, el);
    }
  }
  return container
}