peakBounce.js

const peakBounce = (interval, count) => {
    let iCount = 0;
    let stack = [];
    setInterval(() => {
        const part = stack.splice(0, count);
        part.forEach(fn => fn())
        iCount = part.length;
    }, interval);
    return (fn, ...a) => {
        if (typeof fn !== 'function') {return}
        if (iCount < count) {
            iCount++;
            fn(...a);
        } else {
            stack.push(() => {
                fn(...a);
            })
        }
    }
}

const pb = peakBounce(1000, 2);
const f = i => {console.log(i)}
pb(f, 1);
pb(f, 2);
pb(f, 3);
pb(f, 4);
pb(f, 5);