タイマを使う|JavaScript

const timerId = setInterval(callback, interval_ms, [arg1, arg2, ...]);

clearInterval(timerId);

var cnt = 0;
var intervalTimer = setInterval(function() {
    console.log("***");
    cnt++;
    if (5 < cnt) {
        clearInterval(intervalTimer);
        console.log("stop");
    }
}, 100);

***
***
***
***
***
***
stop

const timerId = setTimeout(callback, interval_ms, [arg1, arg2, ...]);

clearTimeout(timerId);

var delayTimer = setTimeout(function() {
    console.log("stop");
}, 500);

stop