function type (target){            var template = {                '[object Array]' : 'array',                '[object Object]' : 'object',                '[object Number]' : 'number-object',                '[object Boolean]' : 'boolean-object',                '[object String]' : 'string-object',            }            if(target === null){                return "null";            }else if(typeof(target) == 'object'){                var set = Object.prototype.toString.call(target);                return template[set];            }else{                return typeof(target);            }        }