Question

How to parse a JSON array in JavaScript

Answer 1

const jsonArr = '[{"id":1, "name":"Tom"}, {"id":2, "name":"Sam"}, {"id":3, "name":"Joy"}]';

const jsonData = JSON.parse(jsonArr);

console.log(jsonData);

for (let i = 0; i < jsonData.length; i++) {
    console.log(jsonData[i].id + " " + jsonData[i].name);
}


  
  
/*
run:
  
[{
  id: 1,
  name: "Tom"
}, {
  id: 2,
  name: "Sam"
}, {
  id: 3,
  name: "Joy"
}]
"1 Tom"
"2 Sam"
"3 Joy"
  
*/

 

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Answer 2

const jsonArr = '{"workers": [{"id":1, "name":"Tom"}, {"id":2, "name":"Sam"}, {"id":3, "name":"Joy"}]}';

const jsonData = JSON.parse(jsonArr);

console.log(jsonData);

for (let i = 0; i < jsonData.workers.length; i++) {
    console.log(jsonData.workers[i].id + " " + jsonData.workers[i].name);
}


  
  
/*
run:
  
{
  workers: [{
  id: 1,
  name: "Tom"
}, {
  id: 2,
  name: "Sam"
}, {
  id: 3,
  name: "Joy"
}]
}
"1 Tom"
"2 Sam"
"3 Joy"
  
*/

 

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Answer 3

const jsonArr = '{"dp": {"workers": [{"id":1, "name":"Tom"}, {"id":2, "name":"Sam"}, {"id":3, "name":"Joy"}]}}';

const jsonData = JSON.parse(jsonArr);

console.log(jsonData);

for (let i = 0; i < jsonData.dp.workers.length; i++) {
    console.log(jsonData.dp.workers[i].id + " " + jsonData.dp.workers[i].name);
}


  
  
/*
run:
  
{
  dp: {
    workers: [{
  id: 1,
  name: "Tom"
}, {
  id: 2,
  name: "Sam"
}, {
  id: 3,
  name: "Joy"
}]
  }
}
"1 Tom"
"2 Sam"
"3 Joy"
  
*/

 

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