What is the difference between popover and pop up?
Because popups are often used to serve alerts and ads, most modern browsers include a popup block setting, and some have it activated by default. The average user can't see popup windows. A popover (also known as an overlay, a modal, or interstitial) is part of the actual web page.
What is pop up window in mobile?
Pop-ups are unwanted advertisements or alerts displayed on your phone while scrolling through web pages or using an app.