attribute drupal 8
<div{{ attributes.addClass('my-class') }}></div> {% set classes = [ 'red', 'green', 'blue' ] %} <div{{ attributes.addClass(classes).removeClass('green') }}></div> <div{{ attributes.setAttribute('id', 'myID') }}></div> <div{{ attributes.removeAttribute('id') }}></div> <div style="{{ attributes.style }}"></div> {% if attributes.hasClass('myClass') %} {# do stuff #} {% endif %} {% if attributes['data-my-data'] %} {# do stuff #} {% endif %} <div class="myclass {{ attributes.class }}"{{ attributes|without('class') }}></div> {% set my_attribute = create_attribute() %} {% set my_classes = [ 'your class' ] %} <div{{ my_attribute.addClass(my_classes).setAttribute('id', 'myUniqueId') }}> {{ content }} </div>