<pre class="shiki github-dark shaku"><code>// This is a JavaScript coding problem from BFE.dev /** * @param {(...args:any[]) =&gt; any} func * @param {number} wait * @returns {(...args:any[]) =&gt; any} */function throttle(func, delay) { let isThrottled = false; let lastArgs, lastContext; function wrapper() { if (isThrottled) { lastArgs = arguments; lastContext = this; return; } func.apply(this, arguments); isThrottled = true; setTimeout(() =&gt; { isThrottled = false; if (lastArgs) { wrapper.apply(lastContext, lastArgs); lastArgs = lastContext = null; } }, delay); } return wrapper;}// Testing the implementationlet currentTime = 0;const run = (input) =&gt; { currentTime = 0; const calls = []; const func = (arg) =&gt; { calls.push(`${arg}@${currentTime}`); }; const throttled = throttle(func, 3); input.forEach((call) =&gt; { const [arg, time] = call.split('@'); setTimeout(() =&gt; throttled(arg), time); }); return calls;};</code></pre>

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Throttling is a common technique used in Web apps, in most cases using lodash solutionwould be a good choice. In case you forgot, throttle(func, delay…