Search results
const map1 = new Map([ ['foo', 'bar'], ['baz', 42] ]); const obj = Object.fromEntries(map1); // { foo: 'bar', baz: 42 } For converting object back to map: const map2 = new Map(Object.entries(obj)); // Map(2) { 'foo' => 'bar', 'baz' => 42 }
8 gru 2016 · const convertYearMonthStringToDateObject = (yearMonthString) => new Date(yearMonthString) const transformItemProperty = (arr, property, transformFn) => arr.map( (item) => Object.assign({}, item, {[property]: transformFn(item[property])}) ) const mapKeys = (arr) => transformItemProperty(arr, 'key', convertYearMonthStringToDateObject) const ...
15 maj 2023 · This practical, example-based article will walk you through a couple of different ways to turn a Map into an object in modern JavaScript (ES6 and newer).
8 lis 2023 · Convert Maps to objects when you need to interface with functions/storage that require plain objects. Spreading an object from a Map into another object lets you merge data. Understand the core methods: set(), get(), entries(), from(), reduce() to confidently work with Maps and conversion.
Converting Maps to Objects. To convert a JavaScript map into an object, you can iterate through all the map entries and create a new object, using the keys from the map as property names and the associated values as property values. Here’s a simple example:
15 lip 2021 · Here’s an example transforming a map of users to an object: const map = new Map() . map.set('marcus', { name: 'Marcus' }) . map.set('norman', { name: 'Norman' }) . map.set('christian', { name: 'Christian' }) const usersObject = Object.fromEntries(map) Use the @supercharge/map Package.
31 maj 2022 · To convert a Map to an object, we can use the Object.fromEntries() method, passing the Map as an argument. For example: For example: const map = new Map([ ['user1', 'John'], ['user2', 'Kate'], ['user3', 'Peter'], ]); const obj = Object.fromEntries(map); // { user1: 'John', user2: 'Kate', user3: 'Peter' } console.log(obj);
