TLDR;

The best JavaScript date libraries in 3 different criteria is summarized at the bottom [Conclusion section]

The most popular package

Moment.js 👏

12M weekly Downloads

The lightest package

dayJS 👏

471 KB

The most stable package

Moment.js👏

9 years

Moment.js

Moment.js is one the oldest and best known date — related libraries for both Node.js and vanilla Javascript (making it browser compatible)

moment

A lightweight JavaScript date library for parsing, validating, manipulating, and formatting dates. Documentation Moment…

www.npmjs.com

Moment.js | Docs

Moment was designed to work both in the browser and in Node.js. All code should work in both of these environments, and…

momentjs.com

Weekly Downloads *NPM

12M

License

MIT

Package Size (Unpacked Size)

40.9 MB

Initial Release Date

Version 1.1.0 release Date — — — 9 Years ago

Current Version — — — 2.26.0

UPs 👍

• available in many different environments and different package managers including npm , yarn , NuGet, spm, meteor
• very stable and reliable; been used by many software engineers for more than 9 years
• very good browser compatibility; available in Windows 7

DOWNs 👇

• It is slow

It took Moment.js almost 9 seconds to parse 100 000 ISO 8601 dates, while Day.js needs only 0.5 seconds

• It is heavy

Longer loading time means lower user experience and worse SEO

#coding #web-development #javascript