phaser/src/polyfills/Array.isArray.js

A fast, free and fun HTML5 Game Framework for Desktop and Mobile web browsers from the team at Phaser Studio Inc.

/**
* A polyfill for Array.isArray
*/
if (!Array.isArray)
{
    Array.isArray = function (arg)
    {
        return Object.prototype.toString.call(arg) === '[object Array]';
    };
}