Retrieve object property using dot notation. Equivalent to Laravel's object_get()

object_get.js

    function object_get(obj, key) {
        if (!key || $.trim(key) == '') return obj;
        $.each(key.split('.'), function(idx, seg) {
            if (typeof obj !== 'object' || obj[seg] === undefined) {
                obj = undefined;
                return obj;
            }
            obj = obj[seg];
        });
        return obj;
    }