JSFiddle - React, Tailwind, and code Playground

by Seungrae Lee

HTML

P<input type="radio" name="proChange" id="proChangeR" value="P" checked="checked">
R<input type="radio" name="proChange" id="proChangeV" value="R">

<button type="button" name="check" value="Click" onclick="testCheck();">Click</button>

JavaScript

function testCheck() {
	var proEl = document.getElementById('proChangeR');
  console.log(proEl.type + "::checked=" + (proEl.checked == true));
}