<pre class="shiki github-dark shaku"><code>/** * @param {Function} func * @param {number} wait */function throttle(func, wait) { // your code here let flag = true, lastArgs = []; return function() { let context = this, args = arguments; if(flag) { func.apply(context, args); flag = false; setTimeout(() =&gt; { if(lastArgs.length) { func.apply(context, lastArgs) } flag = true; lastArgs = []; }, wait); } else { lastArgs = args; } }}</code></pre>

This is my accepted easy working solution

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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…