kitchensink/examples/node_modules/es5-ext/array/_is-extensible.js

Dispatch's awesome components and style guide

'use strict';

module.exports = (function () {
	var SubArray = require('./_sub-array-dummy'), arr;

	if (!SubArray) return false;
	arr = new SubArray();
	if (!Array.isArray(arr)) return false;
	if (!(arr instanceof SubArray)) return false;

	arr[34] = 'foo';
	return (arr.length === 35);
}());