JSFiddle - React, Tailwind, and code Playground
HTML
<input type="text">
<input type="text">
<textarea>foo</textarea>
<textarea>bar</textarea>
JavaScript
//logs true, because they are exactly idential
var input = document.querySelectorAll('input');
console.log(input[0].isEqualNode(input[1]));
//logs false, because the child text node is not the same
var textarea = document.querySelectorAll('textarea');
console.log(textarea[0].isEqualNode(textarea[1]));