编辑代码

//创建一个简单的数组
const name=["marvel","DC","X-man"];
const one=new Number(1);
const str="hello world";
const b=true;
//创建一个简单的对象
const person={
    firstName:"Luogen",
    lastName:"wolverine",
}
//创建一个函数
function sayHello(person){
    console.log("Hello "+person.firstName);
}
//检测一下数据类型
console.log("-----typeof-----");
console.log(typeof name);
console.log(typeof one);
console.log(typeof str);
console.log(typeof b);
console.log(typeof sayHello);
console.log(typeof person);
console.log("-----instanceof-----");
console.log(one instanceof Number);
console.log(name instanceof Array);
console.log(str instanceof String);
console.log(b instanceof Boolean);
console.log(person instanceof Object);
console.log(sayHello instanceof Function);