Hey I know this is an old question but I believe the accepted answer is misleading. Although it’s correct to say that you will need to unbind events on raw JS to avoid memory leaks on old browsers (ehem IE), calling remove() or empty() will already do that for you. So your current call to … Read more
No – you should NOT bind all delegated event handlers to the document object. That is probably the worst performing scenario you could create. First off, event delegation does not always make your code faster. In some cases, it’s is advantageous and in some cases not. You should use event delegation when you actually need … Read more
jQuery 1.6+ jQuery added a :focus selector so we no longer need to add it ourselves. Just use $(“..”).is(“:focus”) jQuery 1.5 and below Edit: As times change, we find better methods for testing focus, the new favorite is this gist from Ben Alman: jQuery.expr[‘:’].focus = function( elem ) { return elem === document.activeElement && ( … Read more