1.获取对象的key值

let obj={
name:'张三',
age:18
}let a=Object.keys(obj) 
console.log(a) //["name","age"]

2. 获取对象的value值

name:'张三',
age:18
}let a=Object.keys(obj) 
console.log(a) //["张三",18]
Object.values(obj)