In which cases we should use ‘virtual elements’ and ‘data-bind’ ? For example, this code using virtual elements: <div class="custom-configs"> <h2><!-- ko i18n: 'Custom Settings' --><!-- /ko --></h2> <!-- ko foreach: { data: customSettings, as: 'customSetting' } --> <div> <!-- ko i18n: 'Setting' --><!-- /ko --> <!-- ko text: $index() […]