JSFiddle - React, Tailwind, and code Playground

by liquidmetalrob

HTML

<form method="POST" enctype="multipart/form-data">
     <input type="file" name="myfile" id="myfile" />

     <button type="submit" style="display: none;" name='image_file'>Upload</button>
     <button type="submit" style="display: none;" name='crop'>Crop</button>
</form>

JavaScript

setInterval(function(){
    if ($('#myfile').val()!=""){
        $('button').show();}
    else {
        $('button').hide();
    }},0);