Question

/**
 * @param {*} target 
 */
export function type(target) {
  let ret = typeof(target);
  let 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(ret == "object"){
    let str = Object.prototype.toString.call(target);
    return template[str];
  }else{
    return ret;
  }
}