<pre class="shiki github-dark shaku"><code>//closuresconst count = (()=&gt;{ let sum = 0 const fun = ()=&gt; ++sum fun.reset = ()=&gt;sum=0 return fun})()</code></pre>

Closures simple solution

Please create a function count(), when called it should return how many times it has been called,count.reset() should also implemented. count() // 1 c…