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iamkun/dayjs

A minimalist, 2KB immutable JavaScript library providing a Moment.js-compatible API for parsing, validating, manipulating, and displaying dates and times.

Core Features

Moment.js-compatible API

2KB lightweight and immutable

Chainable operations

Internationalization (I18n) and Plugin support

Supports all modern browsers

Quick Start

npm install dayjs --save

Detailed Introduction

Day.js is a highly efficient and minimalist JavaScript library designed for handling dates and times. It offers a modern, largely Moment.js-compatible API, making it an ideal lightweight alternative for developers familiar with Moment.js. With a tiny footprint of just 2KB, Day.js provides robust functionalities for parsing, validating, manipulating, and displaying date-time information. Its immutable nature, chainable methods, extensive internationalization support, and flexible plugin system make it a powerful yet performant choice for modern web development across all browsers.