chrome浏览器不支持onmouseleave事件的解决技巧

<div id=‘aaa' class='divfloat' " onmouseleave='$(this).slideUp();' style='background-color: White; width:553px; position: absolute;left:" + (event.offset().left - 420) + "px;top:" + (event.offset().top + 25) + "px;'>aaaaaa</div>");