JSFiddle - React, Tailwind, and code Playground

HTML

<form id="teste">
  <input type="text">
  <input type="text">
  <select>
    <option value="">-</option>
    <option value="1">Valor 1</option>
    <option value="2">Valor 2</option>
  </select>
</form>

<button id="reset">Reset</button>

<hr>

<p>Altere os valores do form e depois clique em reset.</p>

JavaScript

let form = document.getElementById('teste')
let button = document.getElementById('reset')

reset.addEventListener('click', () => {
		form.reset()
})