Little script to help debug focus/blur events on Chrome.

focus-blur-debugger.js

/**
 * Little script to help debug focus/blur events on Chrome.
 * @note Since ChromeDev tools takes focus it creates an Observer Effect @see (https://en.wikipedia.org/wiki/Observer_effect_(physics).
 * @author http://stackoverflow.com/users/2122682/aminimalanimal (Found in StackOverflow)
 * @see http://stackoverflow.com/questions/8978039/debugging-onfocus-event-using-chrome-developer-tools-cant-return-focus-after-b
 */
$('*').on(
	'focus blur',
	function(event) {
		console.log(event.type + " to:");
		console.log(document.activeElement);
	}
);