Kill sticky headers.

kill-sticky.js

(function () { 
  var i, elements = document.querySelectorAll('body *');

  for (i = 0; i < elements.length; i++) {
    if (["sticky", "fixed"].includes(getComputedStyle(elements[i]).position)) {
      elements[i].parentNode.removeChild(elements[i]);
    }
  }
})();


javascript:(function(){(function(){var i,elements=document.querySelectorAll('body *');for(i=0;i<elements.length;i++){if (["sticky","fixed"].includes(getComputedStyle(elements[i]).position)){elements[i].parentNode.removeChild(elements[i]);}}})()})()