楼上牛x人正解 :>function chekObj()
{
if(document.getElementById("bbx")==null) alert("Object exists!");
else alert("Object not exists!");
}
{
if(document.getElementById("bbx")==null) alert("Object exists!");
else alert("Object not exists!");
}
//存在 IE兼容
}
{
if(document.getElementById("bbx")==null) alert("Object exists!");
else alert("Object not exists!");
}
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老兄,你写反了吧