modernizr/feature-detects/es6/array.js

Modernizr is a JavaScript library that detects HTML5 and CSS3 features in the user’s browser.

/*!
{
  "name": "ES6 Array",
  "property": "es6array",
  "notes": [{
    "name": "unofficial ECMAScript 6 draft specification",
    "href": "https://people.mozilla.org/~jorendorff/es6-draft.html"
  }],
  "polyfills": ["es6shim"],
  "authors": ["Ron Waldon (@jokeyrhyme)"],
  "warnings": ["ECMAScript 6 is still a only a draft, so this detect may not match the final specification or implementations."],
  "tags": ["es6"]
}
!*/
/* DOC
Check if browser implements ECMAScript 6 Array per specification.
*/
define(['Modernizr'], function(Modernizr) {
  Modernizr.addTest('es6array', !!(Array.prototype &&
    Array.prototype.copyWithin &&
    Array.prototype.fill &&
    Array.prototype.find &&
    Array.prototype.findIndex &&
    Array.prototype.keys &&
    Array.prototype.entries &&
    Array.prototype.values &&
    Array.from &&
    Array.of));
});