const user = {
name: ‘张三’,
age: 20,
addr: ‘湖北武汉’,
sex: ‘男’
}
//遍历key和value
const keys = Object.keys(user)
for(let i=0;i<keys.length;i++){
const key = keys[i]
const value=user[key]
console.log(“key:”+key+",value:"+value)
}
/*打印结果如下：
key:name,value:张三
key:age,value:20
key:addr,value:湖北武汉
key:sex,value:男
*/
