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判断鼠标是不是在某个元素中

// 判断鼠标是不是在某个元素中

function isInRect(event,obj){
   event = event||window.event;
   var mouseClickPostion = [event.clientX+document.body.scrollLeft,event.clientY+document.body.scrollTop],

    listMemuPostion = [obj.offsetLeft, obj.offsetTop],
    isInRect = ((mouseClickPostion[0]>=listMemuPostion[0]) && mouseClickPostion[1]>=listMemuPostion[1] && mouseClickPostion[0]-     listMemuPostion[0]<=obj.offsetWidth && mouseClickPostion[1]-listMemuPostion[1]<=obj.offsetHeight);
   

  return isInRect;
}

posted on 2014-02-05 13:43  jassonfish  阅读(442)  评论(0编辑  收藏  举报