JSFiddle - React, Tailwind, and code Playground

HTML

<form id="test_form" method="post" action="">
    <input type="file" id="formInput">
    <button id="formUploadBtn">Upload</button>
</form>

JavaScript

$(function () {
    $("#formUploadBtn").click(function () {
        $("#formInput").click();
        return false;
    });
    $('#formInput').change(function () {
        $('#test_form').submit();
    })
});