如下所示：
复制代码 代码如下:
jquery中国地图热点效果-鼠标经过弹出提示层信息的简单实例
;
                    $(body).append(dom);
                    $(.name).text(name);
                    $(.num).text(index_num)
                    $(.mapdiv).css({
                        left: (x + $x) + px,
                        top: (y + $y) + px                    }).show();
                }).mouseout(function () {
                    $(.mapdiv).remove();
                }).mousemove(function (e) {
                    $(.mapdiv).css({
                        left: (x + $x) + px,
                        top: (y + $y) + px
                    })
                });
            });
            //first load
            show();
            //random
            setinterval(show, 3000); // 注意函数名没有引号和括弧
        });
function show() {
            var area = $(area);
            var random = getrandom(area.length);
            $(area[random]).trigger(mouseover);
        }
        function getrandom(n) { return math.floor(math.random() * n + 1) }