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- # isurl [![NPM Version][npm-image]][npm-url] [![Build Status][travis-image]][travis-url]
-
- > Checks whether a value is a WHATWG [`URL`](https://developer.mozilla.org/en/docs/Web/API/URL).
-
-
- Works cross-realm/iframe and despite @@toStringTag.
-
-
- ## Installation
-
- [Node.js](http://nodejs.org/) `>= 4` is required. To install, type this at the command line:
- ```shell
- npm install isurl
- ```
-
-
- ## Usage
-
- ```js
- const isURL = require('isurl');
-
- isURL('http://domain/'); //-> false
- isURL(new URL('http://domain/')); //-> true
- ```
-
- Optionally, acceptance can be extended to incomplete `URL` implementations that lack `searchParams` (which are common in many modern web browsers):
- ```js
- const url = new URL('http://domain/?query');
-
- console.log(url.searchParams); //-> undefined
-
- isURL.lenient(url); //-> true
- ```
-
-
- [npm-image]: https://img.shields.io/npm/v/isurl.svg
- [npm-url]: https://npmjs.org/package/isurl
- [travis-image]: https://img.shields.io/travis/stevenvachon/isurl.svg
- [travis-url]: https://travis-ci.org/stevenvachon/isurl
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