JavaScript Console not starting loop. No apparent bugs can be found

问题

I am trying to write some which starts from 86400 and counts down all to way to 0. But when I create the loop, the console would not display anything.

Any help would be greatly appreciated!

        let date = new Date();
        let hour = date.getHours();
        let min = date.getMinutes();
        let sec = date.getSeconds();

        let hourToSec = parseInt(hour) * 3600;
        let minToSec = parseInt(min) * 60;

        let currentSec = hourToSec * minToSec * sec;
        let remTime = 86400 - currentSec;

        while (remTime > -1) {
            console.log(remTime);
            remTime = remTime - 1;
        }

来源：https://stackoverflow.com/questions/58966851/javascript-console-not-starting-loop-no-apparent-bugs-can-be-found