---
description: get/set, delete properties.
---

# property access

[JS](../../..) ⟩ [value](../..) ⟩ [object](..) ⟩ [property]() ⟩ access

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{% tab title="🗺️ 圖表" %}
<figure><img src="https://2527454625-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MfvEFZnSBhKT6fJmus0%2Fuploads%2F9G2hpEfsEQeDhInbPYZ8%2FF58F2185-1E22-45D5-AFF3-D817CFDA8ECB.jpeg?alt=media&#x26;token=453948b8-f0b6-4f8d-bc3e-ccb6c7a07dd8" alt=""><figcaption></figcaption></figure>
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{% tab title="🔴 主題" %}
* <mark style="color:yellow;">**accessing properties**</mark>
  * [**get / set properties**](access/property-access-expression)
    * [dot-notation-.](access/dot-notation-. "mention")
    * [bracket-notation](access/bracket-notation "mention")
    * [optional-chaining](access/optional-chaining "mention")
    * [optional-invocation-.](access/optional-invocation-. "mention")
  * [delete](create/delete "mention") properties
  * [test](test "mention")
  * [enumerate](enumerate "mention")
* <mark style="color:yellow;">**related topics**</mark>
  * :star2:[chaining-rules](access/chaining-rules "mention")
  * :ring:[property-access-expression](access/property-access-expression "mention")
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{% tab title="👥 相關" %}
* [**Proxy**](../../builtin/proxy) intercepts <mark style="color:purple;">**property acess**</mark>.
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{% tab title="📘 手冊" %}
*
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