.addClass()
Adds the specified class(es) to each of the set of matched elements while animating all style changes.
jQuery UI overrides several built-in jQuery methods in order to provide additional functionality. When using these overrides, it’s important to make sure that jQuery UI is loaded. If jQuery UI is not loaded, the methods will still exist, but the expected functionality will not be available, resulting in bugs that may be hard to track down.
Adds the specified class(es) to each of the set of matched elements while animating all style changes.
Asynchronously set focus to an element.
Hide the matched elements, using custom effects.
Position an element relative to another.
Removes the specified class(es) from each of the set of matched elements while animating all style changes.
Display the matched elements, using custom effects.
Display or hide the matched elements, using custom effects.
Add or remove one or more classes from each element in the set of matched elements, depending on either the class’s presence or the value of the switch argument, while animating all style changes.