JSFiddle - React, Tailwind, and code Playground

HTML

<form>
   <input type="radio" id="aa" name="candidates">1 <br>
   <input type="radio" id="bb" name="candidates">2<br>
</form>
<textarea rows="2" id="candidateTextArea" style="width: 100%;">adadsajsd</textarea>

JavaScript

$("#aa").change(function() { 
					console.log("change in aa"); 
      		$("#candidateTextArea").attr("disabled", "disabled"); 
      }
); 

$("#bb").change(function() { 
					console.log("change in bb"); 
      		$("#candidateTextArea").attr("disabled", false); 
      }
);