可以序列化成json再打印
var obj = {
name: "Tom",
age: 23,
friends: [
{
name: "Jack",
age: 20,
},
],
};
console.log(obj);
// { name: 'Tom', age: 23, friends: [{ name: 'Jack', age: 20 }] }
console.log(JSON.stringify(obj, null, 4));
/**
{
"name": "Tom",
"age": 23,
"friends": [
{
"name": "Jack",
"age": 20
}
]
}
*/
