👉 In the context of programming, a "hover" is a key feature of JavaScript that allows developers to simulate hovering over elements on a page. This behavior happens when an element has been clicked or hovered by another element. For example, if you have a button with `onclick="alert('Hello World!')"` and you click it, the element will be moved to the bottom of the screen, and then "hover" over it for a short period before disappearing. This is called "hanging