Sweet Potato Black Bean Burger | Healthy Summer Recipes. Handlers are attached to the currently selected elements in the jQuery object, so those elements must exist at the point the call to . bind() occurs. For more flexible event binding, see the discussion of event delegation in .on(). Using jQuery I have bound an event using: jQuery(document).bind("focus", keepFocusInsideHandler)How do I fix this, or is it impossible to using jQuery? The event handler can be bound to the first input fieldAs of version 1.4.