JSFiddle - React, Tailwind, and code Playground

HTML

<input type="button" value="click for add" />
<div id="inputs"></div>

CSS

#inputs {
    border: 1px solid #ddd;
    background-color: #eee;
    margin-top: 20px;
}
.textinput {
    display: block;
    margin: 3px 5px;
}

JavaScript

$(function(){
    $("input[type='button']").click(function(){
        $("#inputs").append("<input type='text' class='textinput' />");
    });
})