July 23, 2025 - Object.values() method extracts the property values of an object and returns them as an array, converting the original object into an array of objects.

const objPerson = { "Amit_Age": 32, "Amit_Height": 174, "Amit_Weight": 66, "Yogesh_Age": 29, "Yogesh_Height": 169, "Yogesh_Weight": 59 }; const arrayOfObject = (objPerson = {}) => { const res = []; Object.keys(objPerson).forEach(el => { const part = el.split('_'); const person = part[0]; const info = part[1].toLowerCase(); if(!this[person]){ this[person] = { "name": person }; res.push(this[person]); } this[person][info] = objPerson[el]; }, {}); return res; }; console.log(arrayOfObject(objPerson)); [ { name: 'Amit', age: 32, height: 174, weight: 66 }, { name: 'Yogesh', age: 29, height: 169, weight: 59 } ] The following problem statement is solved using javascript methods like Object.keys and push method that traverses the array of elements in O(n) worst case time complexity .

November 30, 2023 - We can use the for…in loop to iterate over the keys of an object and store the keys and values of the object in separate arrays. This is a naive approach to convert object to array in JavaScript.

const array = [ ['one', 1], ['two', 2], ]; Object.fromEntries(array); // { one: 1, two: 2 } ... Note: This is extremely new, so support will be limited. Keep this in your knowledge box, but maybe wait a bit longer before you put it in your actual toolbox 🧰 · @podfeet: I wanted to create an object in a specific form, so I used object.keys to discover the indices of the specific elements I wanted to extract.

Below are couple of ways to use arrow function but it can be written in many other ways as well. ... const numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] const squaresOfEvenNumbers = numbers .filter((ele) => ele % 2 == 0) .map((ele) => ele ** 2) console.log(squaresOfEvenNumbers) ...

Below are couple of ways to use arrow function but it can be written in many other ways as well. ... const numbers = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] const squaresOfEvenNumbers = numbers .filter((ele) => ele % 2 == 0) .map((ele) => ele ** 2) console.log(squaresOfEvenNumbers) ...

Convert object to array in Javascript - Convert object to array in Javascript with javascript tutorial, introduction, javascript oops, application of javascript, loop, variable, objects, map, typedarray etc.

March 29, 2020 - To convert an object to an array you use one of three methods: Object.keys(), Object.values(), and Object.entries().

Use the `Object.values()` method to convert an object to an array of objects, e.g. `const arr = Object.values(obj)`.

August 5, 2025 - This is useful when you want to transform the object into a specific format, such as an array of objects where each object contains a key-value pair. ... This example demonstrates how to use Object.keys() and map() to convert an object into ...

December 16, 2017 - Today we are going to do the opposite, convert an object to an array of objects. You may be asking why, the answer is actually quite simple. In programing we are not always in control of the format in which our data is delivered to us. With this in mind it becomes important to understand how to convert our data into our desired format. Using newer Javascript features there is an easy one liner that can achieve this result using Object.values().

February 12, 2023 - The for...in loop is a traditional looping method in JavaScript to iterate over the properties (keys) of an object. It can be used to convert an object into an array by extracting its values and forming a new array with them.

August 30, 2023 - To convert an ordinary object that's not iterable or array-like to an array (by enumerating its property keys, values, or both), use Object.keys() , Object.values() , or Object.entries() . To convert an async iterable to an array, use Array.fromAsync() . Array.from() never creates a sparse array.

January 31, 2025 - Almost there... just a few more seconds

November 20, 2019 - If you’ve worked with data sets, especially web-based APIs, then I’m confident you have come across JavaScript Object Notation (JSON). A lightweight alternative to XML and the notation used in document-based databases such as MongoDB, JSON is everywhere. This tutorial will demonstrate how to take an object and convert it to an array and vice versa using built-in methods in the Object class.

August 21, 2025 - JavaScript doesn’t provide a built-in method that directly converts deeply nested objects to arrays.

October 17, 2023 - Before the introduction of the Object.keys method in the ES6 and Object.values, Object.entries methods in ES8, there were no available methods to convert the object to array javascript.