---
description: 🚧 施工中
---

# read-only identifier

[JS](../../..) ⟩ [value](../..) ⟩ [function](..) ⟩ [expression]() ⟩ read-only identifier

{% hint style="warning" %}
the [id](../../../grammar/token/id "mention") of an [](<> "mention") is <mark style="color:yellow;">**read-only**</mark>.
{% endhint %}

{% tabs %}
{% tab title="💈範例" %}
* replit：???

```
// Some code
```
{% endtab %}

{% tab title="🚧" %}
* [ ] read-only vs immutable
{% endtab %}
{% endtabs %}
