JavaScript JavaScript - Get All parent elements of an element javascript parent elements,javascript get parent elements,javascript traverse parent

<div id="parent">
    <div id="child1">
        <div id="child2">
          <div id="child3">
            <div id="child4">
            </div>
          </div>
        </div>
    </div>      
</div>
Answer:1

var elem = document.getElementById("child3");

function getParents(elem) {
  var parents = [];
  while(elem.parentNode && elem.parentNode.nodeName.toLowerCase() != 'body') {
    elem = elem.parentNode;
    parents.push(elem);
  }
  return parents;
}

console.log(getParents(elem));
<div id="parent">
    <div id="child1">
        <div id="child2">
          <div id="child3">
            <div id="child4">
            </div>
          </div>
        </div>
    </div>
    
</div>
Answer:2

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