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array.prototype.toreversed - npm

An ESnext spec-compliant Array.prototype.toReversed shim/polyfill/replacement that works as far down as ES3.

This package implements the es-shim API interface. It works in an ES3-supported environment and complies with the proposed spec.

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

npm install --save array.prototype.toreversed

var toReversed = require('array.prototype.toreversed');
var assert = require('assert');

var arr = [0, 1, 2, 3, 4, 5];

var results = toReversed(arr);

assert.deepEqual(results, [5, 4, 3, 2, 1, 0]);
assert.deepEqual(arr, [0, 1, 2, 3, 4, 5]);

var toReversed = require('array.prototype.toreversed');
var assert = require('assert');
/* when Array#toReversed is not present */
delete Array.prototype.toReversed;
var shimmed = toReversed.shim();

assert.equal(shimmed, toReversed.getPolyfill());
assert.deepEqual(arr.toReversed(), toReversed(arr));

var toReversed = require('array.prototype.toreversed');
var assert = require('assert');
/* when Array#toReversed is present */
var shimmed = toReversed.shim();

assert.equal(shimmed, Array.prototype.toReversed);
assert.deepEqual(arr.toReversed(), toReversed(arr));

Simply clone the repo, npm install, and run npm test

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