For years, Javascript developers have had the MouseOver and MouseOut events for triggering events when a user mouses over and out of a given HTML element. For anyone who's tried to use these, you know that they are great, but that they come with a huge problem: the mouseover and mouseout events fire for a given element if the user mouses over or out of an element nested within the given element. T
![jQuery Events: MouseOver / MouseOut vs. MouseEnter / MouseLeave](https://cdn-ak-scissors.b.st-hatena.com/image/square/a3d5c721491662fb98e346cf93c3735588f7dfad/height=288;version=1;width=512/https%3A%2F%2Fbennadel-cdn.com%2Fimages%2Fblog%2Ffallback-unfurling.jpg)