JSFiddle - React, Tailwind, and code Playground

by David Thomas

HTML

<input type="radio" id="postageyes" name="postage" value="Yes" /> Yes
<input type="radio" id="postageno" name="postage" value="No" /> No

JavaScript

var appended = $('<div />').text("You're appendin'!");
appended.id = 'appended';
$('input:radio[name="postage"]').change(
    function(){
        if ($(this).val() == 'Yes') {
            $(appended).appendTo('body');
        }
        else {
            $(appended).remove();
        }
    });