Mar 6, 2025 · The Object.keys () static method returns an array of a given object's own enumerable string-keyed property names.

The Object.keys() method returns an array with the keys of an object. The Object.keys() method does not change the original object.

Sep 16, 2022 · You can use Object.keys functionality to get the keys like: const tempObjects={foo:"bar"} Object.keys(tempObjects).forEach(obj=>{ console.log("Key->"+obj+ "value->"+tempObjects[obj]); });

Jun 27, 2021 · For plain objects, the following methods are available: Object.keys (obj) – returns an array of keys. Object.values (obj) – returns an array of values. Object.entries (obj) – returns an array of [key, value] pairs. Please note the distinctions (compared to map for example):

Jul 12, 2024 · The Object.entries() method in JavaScript is used to retrieve an array of an object's enumerable property [key, value] pairs. This method is particularly useful for transforming and iterating over objects in situations where array-like manipulation is needed.

Dec 8, 2011 · To get all the keys you can use Object.keys which returns all the keys in an Object. Object.keys(obj).forEach(function(keyValue, index, map) { console.log(keyValue); }); Short hand of the above snippet would be, which only takes one parameter. Object.keys(obj).forEach(function(keyValue) { console.log(keyValue); });

The Object.keys() method returns an array of a given object's own enumerable property names. In this tutorial, you will learn about the JavaScript Object.keys() method with the help of examples.

Feb 6, 2025 · The Object.keys() method is an indispensable tool for working with objects in JavaScript. It provides a simple and efficient way to retrieve an array of an object’s enumerable property names, enabling you to iterate over properties, perform validation, and transform objects into different formats.

Apr 22, 2021 · Object.defineProperty(Object.prototype, 'keys', { value: function keys() { return Object.keys(this); }, enumerable: false }); Original answer. Object.prototype.keys = function () { var keys = []; for(var i in this) if (this.hasOwnProperty(i)) { keys.push(i); } return keys; }

Jun 26, 2019 · The Object.keys() function returns an array of the property names an object has. For example, given a POJO obj, calling Object.keys() gives you all the object's keys. name: 'Jean-Luc Picard', age: 59, rank: 'Captain' . Object.keys(obj); // ['name', 'age', 'rank'] The property names are in the order the property was first set.