JSFiddle - React, Tailwind, and code Playground

by Abdul Ahmad

HTML

<input type='radio' id='ra' />
<input type='radio' id='rb' />
<input type='radio' id='rc' /> 
<input type='radio' id='rd' /> 
<input type='radio' id='re' />
<button onclick='checkIfRadioChecked()'>
  click
</button>

JavaScript

function checkIfRadioChecked() {
 if (document.getElementById("ra").checked == false && 
   document.getElementById("rb").checked == false  && 
   document.getElementById("rc").checked == false && 
   document.getElementById("rd").checked == false && 
   document.getElementById("re").checked == false ) {

      alert("Please Select An Answer");

  }
}