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# isURIError [![NPM version][npm-image]][npm-url] [![Build Status][test-image]][test-url] [![Coverage Status][coverage-image]][coverage-url] > Test if a value is a [URIError][mdn-uri-error] object.
## Usage ```javascript import isURIError from 'https://cdn.jsdelivr.net/gh/stdlib-js/assert-is-uri-error@esm/index.mjs'; ``` #### isURIError( value ) Tests if a `value` is a [`URIError`][mdn-uri-error] object. ```javascript var bool = isURIError( new URIError( 'beep' ) ); // returns true ```
## Notes - This function should **not** be considered robust. While the function should **always** return `true` if provided a [`URIError`][mdn-uri-error] (or a descendant) object, false positives may occur due to the fact that the [`URIError`][mdn-uri-error] constructor inherits from [`Error`][mdn-error] and has no internal class of its own. Hence, [`URIError`][mdn-uri-error] impersonation is possible.
## Examples ```html ```
* * * ## See Also - [`@stdlib/assert-is-error`][@stdlib/assert/is-error]: test if a value is an Error object.
* * * ## Notice This package is part of [stdlib][stdlib], a standard library with an emphasis on numerical and scientific computing. The library provides a collection of robust, high performance libraries for mathematics, statistics, streams, utilities, and more. For more information on the project, filing bug reports and feature requests, and guidance on how to develop [stdlib][stdlib], see the main project [repository][stdlib]. #### Community [![Chat][chat-image]][chat-url] --- ## License See [LICENSE][stdlib-license]. ## Copyright Copyright © 2016-2024. The Stdlib [Authors][stdlib-authors].
[npm-image]: http://img.shields.io/npm/v/@stdlib/assert-is-uri-error.svg [npm-url]: https://npmjs.org/package/@stdlib/assert-is-uri-error [test-image]: https://github.com/stdlib-js/assert-is-uri-error/actions/workflows/test.yml/badge.svg?branch=main [test-url]: https://github.com/stdlib-js/assert-is-uri-error/actions/workflows/test.yml?query=branch:main [coverage-image]: https://img.shields.io/codecov/c/github/stdlib-js/assert-is-uri-error/main.svg [coverage-url]: https://codecov.io/github/stdlib-js/assert-is-uri-error?branch=main [chat-image]: https://img.shields.io/gitter/room/stdlib-js/stdlib.svg [chat-url]: https://app.gitter.im/#/room/#stdlib-js_stdlib:gitter.im [stdlib]: https://github.com/stdlib-js/stdlib [stdlib-authors]: https://github.com/stdlib-js/stdlib/graphs/contributors [umd]: https://github.com/umdjs/umd [es-module]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Modules [deno-url]: https://github.com/stdlib-js/assert-is-uri-error/tree/deno [deno-readme]: https://github.com/stdlib-js/assert-is-uri-error/blob/deno/README.md [umd-url]: https://github.com/stdlib-js/assert-is-uri-error/tree/umd [umd-readme]: https://github.com/stdlib-js/assert-is-uri-error/blob/umd/README.md [esm-url]: https://github.com/stdlib-js/assert-is-uri-error/tree/esm [esm-readme]: https://github.com/stdlib-js/assert-is-uri-error/blob/esm/README.md [branches-url]: https://github.com/stdlib-js/assert-is-uri-error/blob/main/branches.md [stdlib-license]: https://raw.githubusercontent.com/stdlib-js/assert-is-uri-error/main/LICENSE [mdn-error]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Error [mdn-uri-error]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/URIError [@stdlib/assert/is-error]: https://github.com/stdlib-js/assert-is-error/tree/esm