$updateClass(newClasses, oldClasses); Adds and removes the appropriate CSS class values to the element based on the difference between

$addClass(classVal); Adds the CSS class value specified by the classVal parameter to the element. If animations are enabled then an

$observe(key, fn); Observes an interpolated attribute. The observer function will be invoked once during the next $digest

$normalize(name); Converts an attribute name (e.g. dash/colon/underscore-delimited string, optionally prefixed with x-

$attr A map of DOM element attribute names to the normalized name. This

$set(name, value); Set DOM element attribute value. Parameters

$removeClass(classVal); Removes the CSS class value specified by the classVal parameter from the element. If animations are enabled