vue--计时器

timeCount() {
            // 会议计时
            let tempTime = 0;
            let second = 0;
            let minute = 0;
            let hour = 0; 
            this.timeData = "";
            this.timer = setInterval(() => {
                 tempTime += 1;
                 hour = parseInt(tempTime%3600) ; // 转小时
                 minute = parseInt(tempTime%3600/60); // 转分钟
                 second = parseInt(tempTime%3600%60); // 转秒 
                 // 格式化
                 hour = (hour > 9 ? hour : "0" + hour) + "";
                 minute = (minute > 9 ? minute : "0" + minute) + "";
                 second = (second > 9 ? second : "0" + second) + "";
                 
                 this.timeData = hour + ":" + minute + ":" + second;
            }, 1000); 
        },