JSFiddle - React, Tailwind, and code Playground

HTML

<input type='button' class='add-row' value="add row" />

<div class="container"></div>

JavaScript

$('.add-row').click(function() {
    var input = $('<input type="text" />');
    var btn = $('<input type="button" value="x" />');
    
    btn.click(function() {
        $(this).parent().remove();
    });
    
    var div = $('<div />');
    div.append(input).append(btn);    
    
    $('.container').append(div);
});