{script}

// Proprty in class constructor
const dialog = new JoomlaDialog({
textHeader: 'The header',
popupContent: '<p class="p-3">Popup content text</p>',
});
dialog.show();

// Proprty in to class instance
const dialog = new JoomlaDialog();
dialog.textHeader = 'The header';
dialog.popupContent = '<p class="p-3">Popup content text</p>';
dialog.show();

{/script}