JSFiddle - React, Tailwind, and code Playground

HTML

<input id="test_yes" type="radio" name="test" value="true" />
<input id="test_no" type="radio" name="test" value="false" />

JavaScript

let yes_radio = document.getElementById("test_yes"), no_radio = document.getElementById("test_no");
yes_radio.checked = false
console.log(no_radio.checked)
no_radio.setAttribute("checked", "checked")
console.log(no_radio.checked)