Shopware Altersabfrage Modal

custom.js

// check if cookie exist
if(!Cookies.get('of_age1')) {
   // if not open the modal
   $.modal.open('<div style="padding:20px">'+
    '<p>Bist du schon über 18 Jahre alt?</p>'+
    '<button class="btn">Ja ich bin über 18</button>'+
    '</div>',{
    title: 'Bist du schon 18?',
    additionalClass: 'of_age',
    width: 300,
    height: 300,
    closeOnOverlay: false,
    showCloseButton: false,
   });
}

// trigger the function if button is clicked
$('.of_age button').on('click', function() {
    // Set the cookie
    Cookies.set('of_age1', true);
    // and close the modal
    $.modal.close();
});