https://ghafoorsblog.com/tags/symbols/Recent content in Symbols on Ghafoor's Personal BlogHugoenhello@ghafoorsblog.com (AG Sayyed)hello@ghafoorsblog.com (AG Sayyed)Copyright © 2024-2026 AG Sayyed. All Rights Reserved.Sun, 24 May 2026 09:13:13 +0100https://ghafoorsblog.com/posts/js/06d-objects-modern/Thu, 07 Aug 2025 08:00:00 +0000hello@ghafoorsblog.com (AG Sayyed)https://ghafoorsblog.com/posts/js/06d-objects-modern/<h2 id="a-reference-for-the-parts-you-reach-for-once-a-quarter">A reference for the parts you reach for once a quarter</h2> <p>This is the fourth and final post on objects. It is a focused reference for the modern, less-frequently-used features that nonetheless matter when they matter: <strong>property descriptors</strong>, <strong>freeze/seal</strong>, <strong>symbols</strong>, the <strong>iterable protocol</strong>, <strong>structuredClone</strong>, <strong>Object.groupBy</strong>, and <strong>Proxy</strong>.</p> <p>Series so far: <a href="https://ghafoorsblog.com/posts/js/06a-objects-basics/" >basics</a> · <a href="https://ghafoorsblog.com/posts/js/06b-objects-prototypes/" >prototypes</a> · <a href="https://ghafoorsblog.com/posts/js/06c-objects-classes/" >classes</a>.</p> <h2 id="property-descriptors">Property descriptors</h2> <p>Every property on every object has a <em>descriptor</em> — a small record that controls how the property behaves.</p>