Button countdown reminder

// Reminder to send
remindSend() {
      // firstClickTime最好是后端返回的参数
      // 苹果手机不兼容new Data() 所以要先获取手机型号
 
      uni.getSystemInfo({
success: (res)=>{
if(res.platform == "ios") {
this.firstClickTime = new Date(this.detail.remindTime.replace(/-/g,
"/")).getTime() || 0
} else{
this.firstClickTime = new Date(this.detail.remindTime).getTime() || 0
  }
  }
  });
  this.currentClickTime= +new Date();
let time = this.currentClickTime - this.firstClickTime;
if (time >= 60 * 60 * 1000) {
this.$http
.post("/app/appmasssendingtask/remindSend", null, {
params: {
id: this.id,
    },
    })
  .then((res) => {
if (res?.code == 0) {
this.$u.toast("Remind member to send");
}
.catch(() => {
});
} else {
time = 60 * 60 * 1000 - time;
const min = Math.floor(time / 1000 / 60); // minutes
const second = Math.floor(time / 1000);
  second %= 60;
  let msg = ``;
  if (min > 0 && second > 0) {
msg = `${min}minutes${second}seconds and click again`;
    } else if (min > 0 && second <= 0) {
msg = `${min} minutes later you can click again`;
} else if (min <= 0 && second> 0) {
msg = `${second} seconds later, you can click again`;
  }
  this.$u.toast(msg);
  }
  },