JSFiddle - React, Tailwind, and code Playground

by Artem

HTML

<input type="radio" name="color" value="mediumpurple"> Фиолетовый
<input type="radio" name="color" value="lightgreen"> Зелёныйы
<input type="radio" name="color" value="lightblue"> Голубой

JavaScript

var buttons = document.getElementsByName("color");

  function setColor(event) {
    document.body.style.background = event.target.value;
  }
  for (var i = 0; i < buttons.length; i++)
    buttons[i].addEventListener("change", setColor);