# runtime error

[JS](..) ⟩ [error]() ⟩ rumtime

{% hint style="info" %}
errors occurred <mark style="color:yellow;">**at**</mark> [runtime](../compile/runtime "mention") (after [compile](../compile "mention") is complete successfully)
{% endhint %}

{% tabs %}
{% tab title="🔴 主題" %}
* [ref](ref "mention") ⟩
  * [cannot-access-before-init](ref/cannot-access-before-init "mention")
  * [not-defined](ref/not-defined "mention")
* [type](type "mention")
  * [not-function](type/not-function "mention")
{% endtab %}
{% endtabs %}
