JSFiddle - React, Tailwind, and code Playground

HTML

<div id='container_one'>
<input name='input_one' value='one' />
<input name='input_two' value='two' />
</div>
<div id='container_two'>
<input name='input_one' value='one' />
<input name='input_two' value='two' />
</div>

JavaScript

function find(element, name)
{
  for (let i = 0; i < element.children.length; i++)
  {
    if (element.children[i].name == name)
      return element.children[i];
  }
  return null;
}
let container_one = document.getElementById('container_one');
let container_two = docu
find(container_two, "input_one").style.backgroundColor = "red";

find(