JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" name="test" id="radio-choice-1" value="3">Test1</input>
<br>
<input type="radio" name="test" id="radio-choice-2" value="4">Test2</input>
<br>
<input type="radio" name="test" id="radio-choice-3" value="5">Test3</input>

JavaScript

$("#radio-choice-2").attr('checked','checked');