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# is-string <sup>[![Version Badge][2]][1]</sup> [![github actions][actions-image]][actions-url] [![coverage][codecov-image]][codecov-url] [![dependency status][5]][6] [![dev dependency status][7]][8] [![License][license-image]][license-url] [![Downloads][downloads-image]][downloads-url] [![npm badge][11]][1] Is this value a JS String object or primitive? This module works cross-realm/iframe, and despite ES6 @@toStringTag. ## Example ```js var isString = require('is-string'); var assert = require('assert'); assert.notOk(isString(undefined)); assert.notOk(isString(null)); assert.notOk(isString(false)); assert.notOk(isString(true)); assert.notOk(isString(function () {})); assert.notOk(isString([])); assert.notOk(isString({})); assert.notOk(isString(/a/g)); assert.notOk(isString(new RegExp('a', 'g'))); assert.notOk(isString(new Date())); assert.notOk(isString(42)); assert.notOk(isString(NaN)); assert.notOk(isString(Infinity)); assert.notOk(isString(new Number(42))); assert.ok(isString('foo')); assert.ok(isString(Object('foo'))); ``` ## Tests Simply clone the repo, `npm install`, and run `npm test` [1]: https://npmjs.org/package/is-string [2]: https://versionbadg.es/inspect-js/is-string.svg [5]: https://david-dm.org/inspect-js/is-string.svg [6]: https://david-dm.org/inspect-js/is-string [7]: https://david-dm.org/inspect-js/is-string/dev-status.svg [8]: https://david-dm.org/inspect-js/is-string#info=devDependencies [11]: https://nodei.co/npm/is-string.png?downloads=true&stars=true [license-image]: https://img.shields.io/npm/l/is-string.svg [license-url]: LICENSE [downloads-image]: https://img.shields.io/npm/dm/is-string.svg [downloads-url]: https://npm-stat.com/charts.html?package=is-string [codecov-image]: https://codecov.io/gh/inspect-js/is-string/branch/main/graphs/badge.svg [codecov-url]: https://app.codecov.io/gh/inspect-js/is-string/ [actions-image]: https://img.shields.io/endpoint?url=https://github-actions-badge-u3jn4tfpocch.runkit.sh/inspect-js/is-string [actions-url]: https://github.com/inspect-js/is-string/actions