JAVASCRIPT

get parent element javascript

var parent = element.parentElement;

get parent id javascript

var x = document.getElementById("ID").parentElement.nodeName;

get parent html js

var x = document.getElementById("myLI").parentNode;

get parent element javascript

var parent = element.parentElement;
//OR
e.target.parentNode  //target parent

<div>
  <span onclick="this.parentElement.style.display = 'none';">x</span>
</div>

get parent html js

e.target.parentNode  //target parent