js日期相差分钟数

                    var s1 = new Date(kaiShiShiJian.replace(/-/g, "/"));
                    var s2 = new Date(jieShuShiJian.replace(/-/g, "/"));

                    // 日期相差分钟数
                    var totalMinuts = parseInt(s2 - s1) / 1000 / 60;