Bootstrap multiple Upload

Upload multiple files using bootstrap

HTML

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.2.2/jquery.min.js"></script>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css">
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-fileinput/4.3.1/js/fileinput.js"></script>
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-fileinput/4.3.1/css/fileinput.css">
    <div class="form-group">
                        <label class="col-sm-3 control-label">
                            Attachment(s)
                            (Attach multiple files.)
                        </label>
                        <div class="col-sm-9">
                            <span class="btn btn-default btn-file">
                                <input id="input-2" name="input2[]" type="file" class="file" multiple data-show-upload="true" data-show-caption="true">
                            </span>
                        </div>
                    </div>
                    
                    
<span class="btn btn-default btn-file">
  <input type="file" class="file" multiple data-show-upload="true" data-show-caption="true">
</span>