<pre class="shiki github-dark shaku"><code>let timeoutID;/** * @param {Function} func * @param {number} delay * @param {number} period * @return {number} */function mySetInterval(func, delay, period) { const interval = (count) =&gt; { if (timeoutID) { clearTimeout(timeoutID) } timeoutID = setTimeout(() =&gt; { func() interval(count + 1) }, delay + (period * count)) } interval(0); return timeoutID;}/** * @param { number } id */function myClearInterval() { clearTimeout(timeoutID)}</code></pre>

Global timeoutID w/ recursive setTimeout