Dirty form not working

i wanted to monitor the forms for change and alerts the user before leaving the page. so i used a dirty form plugin found here

this is the code i tried

form

  <?php

use yii\helpers\Html;
use yii\widgets\ActiveForm;
use app\models\Countries;
use yii\helpers\ArrayHelper;

/* @var $this yii\web\View */
/* @var $model app\models\Organizations */
/* @var $form yii\widgets\ActiveForm */
?>

<link rel="stylesheet" href="<?php echo Yii::$app->request->baseUrl;?>/css/userHome.css">
<script type="text/javascript" src="//cdn.jsdelivr.net/jquery.dirtyforms/2.0.0-beta00005/jquery.dirtyforms.min.js"></script>
<div class="organizations-form">
    <h2>Update Billing Address</h2><br>
    <div class="col-md-10 col-md-offset2">

    <?php $form = ActiveForm::begin(); ?>


    <?= $form->field($model, 'bill_name')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_address')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_country_id')->dropDownList(ArrayHelper::map(Countries::find()
    ->all(), 'id', 'name'),['prompt'=>'Choose a Country'])->label('Select Country')  ?>


    <?= $form->field($model, 'bill_state')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_city')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_postal')->textInput(['maxlength' => true]) ?>



    <?= $form->field($model, 'bill_mobile')->textInput(['maxlength' => true]) ?>



    <div class="form-group">
        <?= Html::submitButton($model->isNewRecord ? Yii::t('app', 'Create') : Yii::t('app', 'Update'), ['class' => $model->isNewRecord ? 'btn btn-primary' : 'btn btn-success']) ?>
    </div>

    <?php ActiveForm::end(); ?>

</div>
</div>

script used

<script>
jQuery(document).ready(function($){ 

    // Enable on all forms
    $('form').dirtyForms();
});
</script>   

now if i try to go to other pages or link without saving i get popup meassege. But when i try to submit message even then the popup is appearing. why is that so?

i got it working

<?php

use yii\helpers\Html;
use yii\widgets\ActiveForm;
use app\models\Countries;
use yii\helpers\ArrayHelper;

/* @var $this yii\web\View */
/* @var $model app\models\Organizations */
/* @var $form yii\widgets\ActiveForm */
?>

<link rel="stylesheet" href="<?php echo Yii::$app->request->baseUrl;?>/css/userHome.css">
<script type="text/javascript" src="//cdn.jsdelivr.net/jquery.dirtyforms/2.0.0-beta00005/jquery.dirtyforms.min.js"></script>
<div class="organizations-form">
    <h2>Update Billing Address</h2><br>
    <div class="col-md-10 col-md-offset2">
        <div class="ignore">


    <?php $form = ActiveForm::begin(); ?>


    <?= $form->field($model, 'bill_name')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_address')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_country_id')->dropDownList(ArrayHelper::map(Countries::find()
    ->all(), 'id', 'name'),['prompt'=>'Choose a Country'])->label('Select Country')  ?>


    <?= $form->field($model, 'bill_state')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_city')->textInput(['maxlength' => true]) ?>


    <?= $form->field($model, 'bill_postal')->textInput(['maxlength' => true]) ?>



    <?= $form->field($model, 'bill_mobile')->textInput(['maxlength' => true]) ?>



    <div class="form-group ">
        <?= Html::submitButton($model->isNewRecord ? Yii::t('app', 'Create') : Yii::t('app', 'Update'), ['class' => $model->isNewRecord ? 'btn btn-primary' : 'btn btn-success' ,'id'=>'update']) ?>
    </div>

    <?php ActiveForm::end(); ?>

</div>
</div>
</div>

<script>
jQuery(document).ready(function($){ 

    // Enable on all forms
    $('form').dirtyForms();
    $('#update').click(function(){ 
    $('.ignore').addClass($.DirtyForms.ignoreClass);
        });


});
</script>   

i checked whether the button is clicked. if yes then i used the ignore function in dirty form to the whole form(which is in div class="ignore") so when i click the button to submit there will be no popup's.