js两种对象混合写，返回的是哪一个

    <script>
        function jiafa() {

            this.name = "xuhaitao";
            this.age = 36;
            var obj = {};
            obj.xx = "hunkxu";
            obj.yy = "88";
            return obj;
        }

        var aa = new jiafa();
        console.log(aa);

    </script>

打印：

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FR：徐海涛(hunk xu)