/ -> {pets: {fido: {species: 'dog'}}}</span>

<span class="comment">// In another browser tab:</span>
sessionStorage<span class="punctuation">.</span><span class="function">setItem</span><span class="punctuation">(</span><span class="string">'pets'</span><span class="punctuation">,</span> <span class="string">'[{"pets":{"toto":{"species":"dog"}}},{}]'</span><span class="punctuation">)</span><span class="punctuation">;</span>
<span class="comment">// -> StorageEvent('storage', {storageArea: sessionStorage, k