Question

How to create and access nested JSON object in JavaScript

Answer 1

const json =  {
    "name":"Leo",
    "age":45,
    "kids": {
      "kid1":"Abbie",
      "kid2":"Ann",
      "kid3":"Aaric"
    }
   } 

console.log(json.age);
console.log(json.kids.kid1);
console.log(json.kids['kid2']);

json.kids.kid3 = "R2-D2";
console.log(json);


   
/*
run:
 
45
Abbie
Ann
{
  name: 'Leo',
  age: 45,
  kids: { kid1: 'Abbie', kid2: 'Ann', kid3: 'R2-D2' }
}
 
*/

 

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Answer 2

const json =  {
    "name":"Leo",
    "age":45,
    "kids": {
      "kid1":"Abbie",
      "kid2":"Ann",
      "kid3":"Aaric"
    }
   } 

const age = json.age;
console.log(age);

const k1 = json.kids.kid1
console.log(k1);



   
/*
run:
 
45
Abbie
 
*/

 

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Answer 3

const json =  {
    "name":"Leo",
    "age":45,
    "kids": {
      "kid1":"Abbie",
      "kid2":"Ann",
      "kid3":"Aaric"
    }
} 

for (let k in json.kids) {
    console.log(k, json.kids[k]);
}



   
/*
run:
 
kid1 Abbie
kid2 Ann
kid3 Aaric
 
*/

 

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