<pre class="shiki github-dark shaku"><code>window.myLocalStorage = { keys: new Set(), getItem(key) { return window.localStorage.getItem(key); }, setItem(key, value, maxAge) { window.localStorage.setItem(key, value); this.keys.add(key); maxAge == 0 &amp;&amp; this.removeItem(key); if(maxAge &amp;&amp; maxAge &gt; 0) { setTimeout(() =&gt; { this.removeItem(key); }, maxAge) } }, removeItem(key) { window.localStorage.removeItem(key); this.keys.delete(key); }, clear() { for(let k of this.keys) { window.localStorage.removeItem(k); } this.keys.clear(); } }</code></pre>

2024 - localStorage-with-expiration

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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…