is.js

is.js

/**
 * @param  {String} type [http://goo.gl/B5k5w]
 * @param  {Mix} object
 * @return {Boolean}
 */
function is(type, object) {
    var klass = Object.prototype.toString.call(object).slice(8, -1);

    return object !== undefined && object !== null && klass === type;
}