Chrome Developer Tools extension for jQuery development
New Selector Inspector panel
Comfortably inspect your jQuery selectors, and watch their matching elements displayed on any website.
Designed to help you understand easily even the most complex selectors.
Two new sidebars on the Elements panel
jQuery Data sidebar - shows the jQuery and HTML5 data of the selected element.
jQuery Events sidebar - shows the event handlers of the selected element, including events that are live or delegated on other elements which have an affect on the selected element.