【原生】JS 获取今天日期

//获取今天日期，格式YYYY-MM-DD
    function getNowFormatDate() {
      var date = new Date();
      var seperator1 = "-";
      var year = date.getFullYear();
      var month = date.getMonth() + 1;
      var strDate = date.getDate();
      if (month >= 1 && month <= 9) {
        month = "0" + month;
      }
      if (strDate >= 0 && strDate <= 9) {
        strDate = "0" + strDate;
      }
      var currentdate = year + seperator1 + month + seperator1 + strDate;
      return currentdate;
    }