Differences between JavaScript mouseenter and mouseover

Triggered when the mouse moves over the elementmouseenterevent,
similarmouseoverThe differences between them are as follows:

mouseover：

1. When the mouse passes through its own box, it will trigger when it passes through the sub box (becauseThere is bubbling）

mouseenter：

1. It will only trigger through its own box（It doesn’t bubble）
2. FollowmouseenterCorrespondingly, the mouse leaves the eventmouseleavesameIt doesn’t bubble