jQuery：鼠标与div的座标位置

jQuery鼠标与div的坐标位置

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情景：当鼠标离开div时3秒后删除该div

该div的class为sp

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function spon_out(event){
    var x=event.pageX-this.offsetLeft;
    var y=event.pageY-this.offsetTop;
   if(x < 0 || x > 260 || y < 0 || y > 100){
     removeDiv();
   }
  }

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 $(".sp").mouseout(spon_out);

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function removeSponsorDiv(){
    $('#sponsor_div').remove();
    //$(".sponsor_a").bind("mouseover",sponsor_fun);
  }
  function removeDiv(){
    sponsor_timer = setTimeout("removeSponsorDiv()",3000);
  }

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?? ?OK！