JSFiddle - React, Tailwind, and code Playground

HTML

<script>
function uncheck()
{
 document.getElementById('myRadio').checked = false;        
}
function check()
{
 document.getElementById('myRadio').checked = true;        
}
</script>
<input id="myRadio" type="radio" checked="checked"/>

<button onclick="uncheck();">Uncheck</button>
<button onclick="check();">Check</button>