JSFiddle - React, Tailwind, and code Playground

HTML

<input type="radio" value="True" propertyname="AmortizationTermInYears" onchange="showAmortizationTermInYears();UpdateField(this);" name="AmortizationTermInYears" id="AmortizationTermInYears" amortizationterminyearsradio="true">

<input type="radio" value="False" propertyname="AmortizationTermInYears" onchange="showAmortizationTermInYears();UpdateField(this);" name="AmortizationTermInYears" id="AmortizationTermInYears" checked="checked">

JavaScript

$(document).ready(function() {
   $("input[name='AmortizationTermInYears'][value='True']").attr("checked", "checked");
});