JSFiddle - React, Tailwind, and code Playground

HTML

<form id="Batch" action="Approval" method="post">

  <div style="float: left;">
    <input type="submit" id="submit4" name="submit" class="button" onclick="return confirmOnDelete('Delete')" value="Delete" style="width:100px;">
  </div>

  <div style="float: right;">
    <br />
    <input type="submit" id="submit3" name="submit" class="button" onclick="return confirmOnDelete('Approve')" value="Approve" style="width:100px;">
  </div>
</form>

JavaScript

function confirmOnDelete(action){
    if (action == "Approve") {
        return confirm("Are you sure to approve?");
    }
    else
    {
        return confirm("Are you sure to delete?");
    }
}