<pre class="shiki github-dark shaku"><code>window.myLocalStorage = { getItem(key) { const item = JSON.parse(localStorage.getItem(key)); if (!item) return null; if (item.expiration !== null &amp;&amp; Date.now() &gt;= item.expiration) { localStorage.removeItem(key); return null; } return item.value; }, setItem(key, value, maxAge) { const item = { value, expiration: maxAge === undefined ? null : Date.now() + maxAge, }; localStorage.setItem(key, JSON.stringify(item)); }, removeItem(key) { localStorage.removeItem(key); }, clear() { localStorage.clear(); }}</code></pre>

This is my Solution !

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localStorage is a simple and handy client-side storage, but you should avoid using it because it is synchronous. Also Safari's ITP actually deletes cl…