// Select multiple elements (querySelectorAll).$('.selector')// Iterate over elements.$('.selector').each(callback)// Attach one or more events (separated by a single space) to elements.$('.selector').on('event1 event2',callback)// Trigger a custom event on elements.$('.selector').trigger('eventName',data)// Select first element. Supports .on() and .trigger().$('.selector')[0]// Find elements within a single element. Supports .each(), .on(), .trigger().$('.selector')[0].find('.another-selector')