type() function

type.js

/**
 * @link http://stackoverflow.com/a/20441656/4255615
 */
var type = function(thing) {
    var typeOfThing = typeof thing;
    if (typeOfThing === 'object') {
        typeOfThing = Object.prototype.toString.call(thing);
        if (typeOfThing === '[object Object]') {
            if (thing.constructor.name) {
                return thing.constructor.name;
            } else if (thing.constructor.toString().charAt(0) === '[') {
                typeOfThing = typeOfThing.substring(8, typeOfThing.length - 1);
            } else {
                typeOfThing = thing.constructor.toString().match(/function\s*(\w+)/);
                if (typeOfThing) {
                    return typeOfThing[1];
                } else {
                    return 'Function';
                }
            }
        } else {
            typeOfThing = typeOfThing.substring(8, typeOfThing.length - 1);
        }
    }
    return typeOfThing.charAt(0).toUpperCase() + typeOfThing.slice(1);
}