JSFiddle - React, Tailwind, and code Playground

HTML

<div id="USAPubHealthYesNo" > 
<ol type="a" class="indentList">
<li>
<input name="rbPubHealthYesNo" type="radio" class="radiobuttonfield days5" alt="Yes - five (5) day MDR report is required" title="Yes - five (5) day MDR report is required" value="Yes" />Yes - five (5) days MDR report is required 
<div id="calc14" class="indentListCalc"> 
<input id="dt5Days" type="text" class="textfieldCalc labelWidth25" /> </div> </li>
<li><input name="rbPubHealthYesNo" type="radio" class="radiobuttonfield days30" alt="No - thirty (30) day MDR report required" title="No - thirty (30) days MDR report required" value="No" />No - thirty (30) day MDR report required 
<div id="calc15" class="indentListCalc"> <input id="dt30Days14" type="text" class="textfieldCalc labelWidth25" /> </div>
</li> 
</ol></div>

JavaScript

function changeHandler(el) { 

	if ( $(el).val() === 'Yes' ) { 		 
  document.getElementById('calc14').style.display = 'block'; date5Days(); 
  } else if ( $(el).val() === 'No' ) { document.getElementById('calc15').innerHTML = ''; 
  date30Days14(); } 
  } 
  
  $('input[type=radio]').on('change', function() {
  changeHandler($(this));
  });
  
  function date30Days14(){

  var dt = new Date();
  dt.setDate( dt.getDate() + 30 );
 var mo = dt.getMonth() + 1; // JS months are 0 to 11, so need to add 1
 var dy = dt.getDate();
 var yr = dt.getYear() % 100; // just to make sure only 2 digit year
 var dueDate = (mo < 10 ? "0" : "" ) + mo + "/" + ( dy < 10 ? "0" : "" ) 
 + dy + "/" + (yr < 10 ? "0" : "" ) + yr;
 var text = "30 days from today is ";

 document.getElementById('calc15').innerHTML = text + dueDate;

 }
function date5Days(){

 var dt = new Date();
 dt.setDate( dt.getDate() + 5 );
 var mo = dt.getMonth() + 1; // JS months are 0 to 11, so need to add 1
 var dy = dt.getDate();
 var yr = dt.getYear() % 100; // just to make sure only 2 digit year
 var dueDate = (mo < 10 ? "0" : "" ) + mo + "/" + ( dy < 10 ? "0" : "" ) 
 + dy + "/" + (yr < 10 ? "0" : "" ) + yr;
 var text = "5 days from today is ";

 document.getElementById('calc14').innerHTML = text + dueDate;

}