Attribute Class
g-bind
You can be used g-bind, or the shorthand :, with the class attribute to dynamically bind CSS classes to an element. You can bind a single class or an array of classes.
API
By the Grapper SVG API, you can use the .classList object and its methods:
.classList.contains( class )- returns true if the list contains the given class, otherwise false..classList.add( class )- adds the specified class..classList.remove( class )- removes the specified class..classList.replace( oldClass, newClass)- replaces oldClass with newClass..classList.toggle( class )- removes class from if it exists or adds class if it doesn't.