vue 判断数据类型

1、方法

const typeOf = data => {
  let type = Object.prototype.toString.call(data);
  if (type === "[object String]") {
    type = "String";
  } else if (type === "[object Number]") {
    type = "Number";
  } else if (type === "[object Null]") {
    type = "Null";
  } else if (type === "[object Boolean]") {
    type = "Boolean";
  } else if (type === "[object Array]") {
    type = "Array";
  } else if (type === "[object Object]") {
    type = "Object";
  } else {
    type = "未进行判断的类型:" + type;
  }
  return type;
};

2、例