The difference between hover and mouseover,mouseout

said the difference between hover and mouseover,mouseout, had to contact Mouseenter,mouseleave.

Mouseover,mouseout is when the mouse pointer is triggered when it crosses/leaves the selected element or its child elements .

Mouseenter,mouseleave is when the mouse pointer is triggered when it crosses/leaves the selected element.

To give a simple example:

<div class= "Wapper" >    
When the mouse moves to the wapper, the div with the class name Buttom becomes larger, and the mouse leaves back as it was.
We use Mouseover,mouseout. When the mouse moves back and forth between the 
This is not the case with Mouseenter,mouseleave.
And the effect of hover is equivalent to Mouseenter,mouseleave.
The difference between hover and mouseover,mouseout