Onchange Function In Dropdownlist Yii2

I have a function (getArticleByFamille) in event onchange dopDownList like this: field($modelFamille, 'idFamille')->dropDownList( ArrayHelper::map(Famille:

Solution 1:

It is because occurs encoding (enabled by default).

Try this (not tested):

[
    'prompt'   => 'Sélectionner la Categorie',
    'class'    => 'chosen-select mb-15',
    'onchange' => new \yii\web\JsExpression( 'getArticleByFamille(this.value,"vente/devis","' . Yii::$app->getUrlManager()->getBaseUrl() . '","ArticleByFamille")' )
]