How to Edit and Remove item from sessionStorage
<p>This code to store items in sessionStorage so i want to add, edit ,
remove item and remove all my code worked well except remove item i
don't know the reason</p>

<pre><code>function clearItem () {
            for (var i = 0; i &lt; sessionStorage.length; i++) {
                var a = sessionStorage.key(i);
                var b = sessionStorage.removeItem(a);
            }
        }
</code></pre>

<p><a href="https://jsfiddle.net/mferry/4uqkp7hu/" rel="nofollow noreferrer">here's my code in jsfiddle</a></p>