Breaking down Amazon's mega dropdownThe hover effects on Amazon’s big ‘ole “Shop by Department” mega dropdown are super fast. Look'it how quick each submenu fills in as your mouse moves down the list: It’s instant. I got nerd sniped by this. Most dropdown menus have to include a bit of a delay when activating submenus. Here’s an old Khan Academy dropdown as an example: See the delay? You need that, because otherwise when you try to
