JSFiddle - React, Tailwind, and code Playground

HTML

<script src="http://code.jquery.com/jquery-1.10.1.min.js"></script>
<script src="http://code.jquery.com/jquery-migrate-1.2.1.min.js"></script> 
<input type="file" name="myFile" id="myFile">
<input type="submit" value="Odeslat" id="submitForm" name="submit" />

JavaScript

$('#submitForm').bind("click",function() {    
      var over = $('#myFile').val();
      alert(over);
      return false;
});