// new
function type(target) {
    let temp = {
        "[object String]": 'ObjectString',
        "[object Number]": 'ObejctNumber',
        "[object Array]": 'Array',
        "[object RegExp]": 'RegExp',
        "[object Date]": 'Date'
    }
    if (target === null) {
        return 'null';
    }
    if (typeof(target) == 'object') {
        let str = Object.prototype.toString.call(target);
        return temp[str];
    } else {
        return typeof(target);
    }
}

// 字符串 数字(new Number()) boolean 对象 数组 函数  null undefined RegExp Date
function type(target) {
    let tos = Object.prototype.toString.call(target);
    switch (tos) {
        case "[object String]":
            return 'String';
        case "[object Number]":
            if (typeof(target) === "number") {
                return 'Number';
            } else {
                return 'Object Number';
            }
        case "[object Boolean]":
            return 'Boolean';
        case "[object Object]":
            return 'Object';
        case "[object Array]":
            return 'Array';
        case "[object Function]":
            return 'Function';
        case "[object Null]":
            return 'Null';
        case "[object Undefined]":
            return 'Undefined';
        case "[object RegExp]":
            return 'RegExp';
        case "[object Date]":
            return 'Date';
        default:
            return '嘤嘤嘤';
    }
}