adding array name property to JSON object [ES5]

Question

I have a JSON object with this structure:

{"Firstname":"john","Lastname":"doe"}

How do it change it to an array with this structure with the name 'abc'(?):

users: [{"Firstname":"john","Lastname":"doe"}]

This is I'm building my object from input values:

var obj = {};
obj.Firstname = document.getElementById("firstName").value;
obj.Lastname = document.getElementById("surname").value;
 console.log(obj);
var jsonStringObj = JSON.stringify(obj);
 console.log(jsonStringObj );

which returns:

{"Firstname":"john","Lastname":"doe"}

thanks!

i do not understand, what you are trying to achieve and what fails... — Argee
– Argee, Commented Jul 21, 2020 at 10:57

Santosh · Accepted Answer · 2020-07-21 11:01:36Z

1

You need to create new array and push the entire object.

var x = {"Firstname":"john","Lastname":"doe"};
var newArray = [];
newArray.push(x);

console.log([{"Firstname":"john","Lastname":"doe"}])

answered Jul 21, 2020 at 11:01

Santosh

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5 Comments

fosowe Over a year ago

Thank you!!! how do I add a name property to e.i users: [{"Firstname":"john","Lastname":"doe"}] thanks!!

Santosh Over a year ago

what is your desire output ? can you update that in your question

fosowe Over a year ago

the output should be > users: [{"Firstname":"john","Lastname":"doe"}]

shashikant kuswaha Over a year ago

try this @fosowe var newobj={"users":newArray}; console.log(newobj);

Lajos Arpad Over a year ago

You do not need to push x into the array, you can create the array with x in it, like var newArray = [x];

Lajos Arpad · Accepted Answer · 2020-07-21 11:31:15Z

0

You can create an object, having a key of user and a value of an array, having your item:

var jsonStringObj = {user: [JSON.stringify(obj)]};

answered Jul 21, 2020 at 11:31

Lajos Arpad

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