FRONTEND_MVC/modules/manager/views/docs/uploads.php

<?php

use yii\helpers\Html;
use dosamigos\fileupload\FileUpload;
use dosamigos\fileupload\FileUploadUI;
/** @var yii\web\View $this */
/** @var app\models\Page $model */

$this->title = 'Create Pages';
$this->params['breadcrumbs'][] = ['label' => 'Docs', 'url' => ['index']];
$this->params['breadcrumbs'][] = $this->title;

$cat = Yii::$app->request->get('cat', '');

?>
<div class="page-create">
<?php


// with UI
?>
<?= FileUploadUI::widget([
    'model' => $model,
    'attribute' => 'file',
    'url' => ['docsupload', 'id' => 0, 'cat'=>$cat],
    'gallery' => false,
    'fieldOptions' => [
        'accept' => '*'
    ],
    'clientOptions' => [
	'limitConcurrentUploads' => 3,
	'disableImageMetaDataLoad' => true
    ],
    // ...
    'clientEvents' => [
        'fileuploaddone' => 'function(e, data) {
//                                console.log(e);
 //                               console.log(data);
								console.log(data.context);
								console.log(data);
								setTimeout(() => {
//									$(data.context[0]).removeClass("show");
									$(data.context[0]).css("display","none");
								}, 4000);
								e.preventDefault();
                            }',
        'fileuploadfail' => 'function(e, data) {
//                                console.log(e);
//                                console.log(data);
								e.preventDefault();
                            }',
		'fileuploadchange' => 'function(e, data) {
//                                console.log(e);
//                                console.log(data);
								setTimeout(() => {
									$(".template-upload").removeClass("fade");
								}, 500);
								//e.preventDefault();
                            }',
		'fileuploadstart' => 'function(e, data) {
								$(".fileupload-progress").removeClass("fade");
								e.preventDefault();
		}',

    ],
]); ?>


</div>