@a-2-c-2-anpm/tempora-mollitia-quo/README.md

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# @a-2-c-2-anpm/tempora-mollitia-quo <sup>[![Version Badge][npm-version-svg]][package-url]</sup>

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An ES spec-compliant `Array.prototype.join` shim/polyfill/replacement that works as far down as ES3.

This package implements the [es-shim API](https://github.com/es-shims/api) interface. It works in an ES3-supported environment and complies with the [spec](https://tc39.es/ecma262/#sec-array.prototype.concat).

Because `Array.prototype.join` depends on a receiver (the “this” value), the main export takes the array to operate on as the first argument.

## Example

```js
var join = require('@a-2-c-2-anpm/tempora-mollitia-quo');
var assert = require('assert');

var a = [1, 1, 1];
assert.deepEqual(join(a, 'x'), '1x1x1');
```

```js
var join = require('@a-2-c-2-anpm/tempora-mollitia-quo');
var assert = require('assert');
/* when Array#join is not present */
delete Array.prototype.join;
var shimmed = join.shim();
assert.equal(shimmed, join.getPolyfill());
assert.equal(shimmed, Array.prototype.join);
assert.deepEqual([1, 2, 3].join('x'), join([1, 2, 3], 'x'));
```

```js
var join = require('@a-2-c-2-anpm/tempora-mollitia-quo');
var assert = require('assert');
/* when Array#join is present */
var shimmed = join.shim();
assert.equal(shimmed, Array.prototype.join);
assert.deepEqual([1, 2, 3].join(), join([1, 2, 3]));
```

## Tests
Simply clone the repo, `npm install`, and run `npm test`

[package-url]: https://npmjs.org/package/@a-2-c-2-anpm/tempora-mollitia-quo
[npm-version-svg]: https://versionbadg.es/a-2-c-2-anpm/tempora-mollitia-quo.svg
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[dev-deps-url]: https://david-dm.org/a-2-c-2-anpm/tempora-mollitia-quo#info=devDependencies
[npm-badge-png]: https://nodei.co/npm/@a-2-c-2-anpm/tempora-mollitia-quo.png?downloads=true&stars=true
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[license-url]: LICENSE
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