---
description: the variable container itself in the scope chain.
---

# LHS reference

[JS](../..) ⟩ [concepts](../../concept) ⟩ [compiler](../../compile) ⟩ LHS reference

{% hint style="success" %}
the [..](.. "mention") <mark style="color:yellow;">**container**</mark>**&#x20;**<mark style="color:orange;">**itself**</mark> (in the [chain](../../scope/chain "mention")).
{% endhint %}

{% tabs %}
{% tab title="👥 相關" %}
* [rhs](rhs "mention") - get the value of a [..](.. "mention") (if it exists).
* [lvalue](../../grammar/op/term/lvalue "mention") - variable / property / element.
{% endtab %}

{% tab title="🗺️ 圖表" %}
<img src="https://2527454625-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MfvEFZnSBhKT6fJmus0%2Fuploads%2FZoBFNLUHVAiHD2Pr9cKg%2Fvariable.svg?alt=media&#x26;token=e849cb3f-80ad-4e32-bd13-c1b0be9ffa55" alt="a variable" class="gitbook-drawing">
{% endtab %}

{% tab title="📗 參考" %}
* [ ] [ydkjs-scope-and-closures-v.2](../../../master/ref/book/you-dont-know-js-series-v.2/ydkjs-scope-and-closures-v.2 "mention") ⟩ [Ch. 1: What's the Scope?](https://github.com/getify/You-Dont-Know-JS/blob/2nd-ed/scope-closures/ch1.md#chapter-1-whats-the-scope)
{% endtab %}
{% endtabs %}
