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# which-typed-array <sup>[![Version Badge][2]][1]</sup>
[![Build Status][3]][4]
[![dependency status][5]][6]
[![dev dependency status][7]][8]
[![License][license-image]][license-url]
[![Downloads][downloads-image]][downloads-url]
[![npm badge][11]][1]
Which kind of Typed Array is this JavaScript value? Works cross-realm, without `instanceof`, and despite Symbol.toStringTag.
## Example
```js
var whichTypedArray = require('which-typed-array');
var assert = require('assert');
assert.equal(false, whichTypedArray(undefined));
assert.equal(false, whichTypedArray(null));
assert.equal(false, whichTypedArray(false));
assert.equal(false, whichTypedArray(true));
assert.equal(false, whichTypedArray([]));
assert.equal(false, whichTypedArray({}));
assert.equal(false, whichTypedArray(/a/g));
assert.equal(false, whichTypedArray(new RegExp('a', 'g')));
assert.equal(false, whichTypedArray(new Date()));
assert.equal(false, whichTypedArray(42));
assert.equal(false, whichTypedArray(NaN));
assert.equal(false, whichTypedArray(Infinity));
assert.equal(false, whichTypedArray(new Number(42)));
assert.equal(false, whichTypedArray('foo'));
assert.equal(false, whichTypedArray(Object('foo')));
assert.equal(false, whichTypedArray(function () {}));
assert.equal(false, whichTypedArray(function* () {}));
assert.equal(false, whichTypedArray(x => x * x));
assert.equal(false, whichTypedArray([]));
assert.equal('Int8Array', whichTypedArray(new Int8Array()));
assert.equal('Uint8Array', whichTypedArray(new Uint8Array()));
assert.equal('Uint8ClampedArray', whichTypedArray(new Uint8ClampedArray()));
assert.equal('Int16Array', whichTypedArray(new Int16Array()));
assert.equal('Uint16Array', whichTypedArray(new Uint16Array()));
assert.equal('Int32Array', whichTypedArray(new Int32Array()));
assert.equal('Uint32Array', whichTypedArray(new Uint32Array()));
assert.equal('Float32Array', whichTypedArray(new Float32Array()));
assert.equal('Float64Array', whichTypedArray(new Float64Array()));
assert.equal('BigInt64Array', whichTypedArray(new BigInt64Array()));
assert.equal('BigUint64Array', whichTypedArray(new BigUint64Array()));
```
## Tests
Simply clone the repo, `npm install`, and run `npm test`
[1]: https://npmjs.org/package/which-typed-array
[2]: http://versionbadg.es/inspect-js/which-typed-array.svg
[3]: https://travis-ci.org/inspect-js/which-typed-array.svg
[4]: https://travis-ci.org/inspect-js/which-typed-array
[5]: https://david-dm.org/inspect-js/which-typed-array.svg
[6]: https://david-dm.org/inspect-js/which-typed-array
[7]: https://david-dm.org/inspect-js/which-typed-array/dev-status.svg
[8]: https://david-dm.org/inspect-js/which-typed-array#info=devDependencies
[11]: https://nodei.co/npm/which-typed-array.png?downloads=true&stars=true
[license-image]: http://img.shields.io/npm/l/which-typed-array.svg
[license-url]: LICENSE
[downloads-image]: http://img.shields.io/npm/dm/which-typed-array.svg
[downloads-url]: http://npm-stat.com/charts.html?package=which-typed-array