
- Javascript Basics Tutorial
- Javascript - Home
- Javascript - Overview
- Javascript - Syntax
- Javascript - Enabling
- Javascript - Placement
- Javascript - Variables
- Javascript - Operators
- Javascript - If...Else
- Javascript - Switch Case
- Javascript - While Loop
- Javascript - For Loop
- Javascript - For...in
- Javascript - Loop Control
- Javascript - Functions
- Javascript - Events
- Javascript - Cookies
- Javascript - Page Redirect
- Javascript - Dialog Boxes
- Javascript - Void Keyword
- Javascript - Page Printing
- JavaScript Objects
- Javascript - Objects
- Javascript - Number
- Javascript - Boolean
- Javascript - Strings
- Javascript - Arrays
- Javascript - Date
- Javascript - Math
- Javascript - RegExp
- Javascript - HTML DOM
- JavaScript Advanced
- Javascript - Error Handling
- Javascript - Validations
- Javascript - Animation
- Javascript - Multimedia
- Javascript - Debugging
- Javascript - Image Map
- Javascript - Browsers
- JavaScript Useful Resources
- Javascript - Questions And Answers
- Javascript - Quick Guide
- Javascript - Functions
- Javascript - Resources
Convert JS array into an object - JavaScript
Suppose, we have an array of objects like this −
const arr = [ {id: 1, name: "Mohan"}, {id: 2,name: "Sohan"}, {id: 3,name: "Rohan"} ];
We are required to write a function that takes one such array and constructs an object from it with the id property as key and name as value
The output for the above array should be −
const output = {1:{name:"Mohan"},2:{name:"Sohan"},3:{name:"Rohan"}}
Example
Following is the code −
const arr = [ {id: 1, name: "Mohan"}, {id: 2,name: "Sohan"}, {id: 3,name: "Rohan"} ]; const arrayToObject = arr => { const res = {}; for(let ind = 0; ind < arr.length; ind++){ res[ind + 1] = { "name": arr[ind].name }; }; return res; }; console.log(arrayToObject(arr));
Output
This will produce the following output in console −
{ '1': { name: 'Mohan' }, '2': { name: 'Sohan' }, '3': { name: 'Rohan' } }
- Related Articles
- How to convert an object into an array in JavaScript?
- Convert an array of objects into plain object in JavaScript
- How to convert an array into JavaScript string?
- How to convert an array into a complex array JavaScript?
- Splitting an object into an array of objects in JavaScript
- Flat a JavaScript array of objects into an object
- Converting array of arrays into an object in JavaScript
- Convert array into array of subarrays - JavaScript
- How to convert a number into an array in JavaScript?
- Convert an array of datetimes into an array of strings with pytz timezone object in Python
- How to convert Object’s array to an array using JavaScript?
- Best way to flatten an object with array properties into one array JavaScript
- Convert array of objects to an object of arrays in JavaScript
- How can I convert an array to an object by splitting strings? JavaScript
- Convert array of object to array of array in JavaScript

Advertisements