What are the move in and out functions in javascript?

This article mainly explains "what are the move-in and move-out functions in javascript". The explanation in this article is simple and clear and easy to learn and understand. please follow the editor's train of thought to study and learn "what are the move-in and move-out functions in javascript".

The move-in and move-out functions in javascript are: move in function mouseover and mouseenter; remove function mouseout and mouseleave.

This article operating environment: windows10 system, javascript 1.8.5, thinkpad T480 computer.

The move in and move out functions in javascript are:

Move in: mouseover and mouseenter

Remove: mouseout and mouseleave

What's the difference between mouseover and mouseenter?

Mouseover: when moving in, moving into the current element and child elements will trigger the occurrence of the event

Mouseenter: when moved in, it will only be triggered in the current element, not in child elements.

What's the difference between mouseout and mouseleave?

Mouseover: when moving out, moving into the current element and child elements will trigger the occurrence of the event

Mouseenter: when removed, it is only triggered in the current element, not in child elements.

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