Answers for "node to arraylist"

js convert nodelist to array

// Get all buttons as a NodeList
var btns = document.querySelectorAll('button');

// Convert buttons NodeList to an array
var btnsArr = Array.from(btns);

js array to nodelist

var toNodeList = function(arrayOfNodes){
  var fragment = document.createDocumentFragment();
  arrayOfNodes.forEach(function(item){
    fragment.appendChild(item.cloneNode());
  });
  return fragment.childNodes;
};