# Methods
| |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| public delete(): this
Deletes the error of a specified id from the object.
|
| public has(): boolean
The has() method checks whether the error of the given id exists in a specified object.
|
| public throw(): void
Throws an error of the given id if the unique id was provided in the constructor.
|
| protected isAllowedId(): boolean
Checks whether the given identification number was provided in the constructor.
|
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://error.angular-package.dev/commonerrors/methods.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.