jquery去掉重复和追加

                if (h == 0) {
                    $("#Div" + DivID).append(HtmlStr); //追加栏目信息
                    h = 1;
                }
                else {
                    $("#divs" + obj).remove(); //移除多余的
                    $("#Div" + DivID).append(HtmlStr); //追加栏目信息
                }

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转载自blog.csdn.net/pengfeng111833/article/details/7280594