⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API
- time
- date
- date-formatting
- datetime
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Parse, validate, manipulate, and display dates in javascript.
Front End interview preparation materials for busy engineers (updated for 2026)
- front-end
- interview-questions
- html
- javascript
Deprecated in favour of Video.js 10; security updates only. Simple HTML5, YouTube and Vimeo player.
- html5-video
- youtube
- vimeo
- javascript
String validation
- validation
- sanitization
- javascript
- node
⏱ A library for working with dates and times in JS
- intl
- timezones
- dates
- times
List of functions which you can use to replace moment.js + ESLint Plugin
- moment-js
- date-fns
- tree-shaking
- esmodules
All parts of Claude Code's system prompt, 27 builtin tool descriptions, sub agent prompts (Plan/Explore/Task), utility prompts (CLAUDE.md, compact, statusline, magic docs, WebFetch, Bash cmd, security review, agent creation). Updated for each Claude Code version.
- claude-code
- claude-code-system-prompts
- system-prompts
A datepicker for twitter bootstrap (@twbs)
- bootstrap-datepicker
- javascript
- bootstrap
why-did-you-render by Welldone Software monkey patches React to notify you about potentially avoidable re-renders. (Works with React Native as well.)
A web-based tool to view, edit, format, and validate JSON
An easily internationalizable, mobile-friendly datepicker library for the web
- react
- datepicker
- react-component
- react-dates
JavaScript Date Range, Date and Time Picker Component
Validate your forms, frontend, without writing a single line of javascript
The mobile-friendly, responsive, and lightweight jQuery date & time input picker.
- picker
- date
- time
- calendar
Check for outdated, incorrect, and unused dependencies.
:house: Home Assistant configuration & Documentation for my Smart House. Write-ups, videos, part lists, and links throughout. Be sure to :star: it. Updated FREQUENTLY!
- home-assistant
- home-automation
- automation
- homeautomation
Bree is a Node.js and JavaScript job task scheduler with worker threads, cron, Date, and human syntax. Built for @ladjs, @forwardemail, @spamscanner, @cabinjs.
Validate XML, Parse XML and Build XML rapidly without C/C++ based libraries and no callback.
- fast-xml-parser
- xml2json
- xml2js
- fast
:calendar: Customizable date (and time) picker. Opt-in UI, no jQuery!
Learn, design or document codebase by putting breadcrumbs in source code. Live updates, multi-language support and more.
- javascript
- java
- typescript
- python
Lightweight JavaScript form validation library inspired by CodeIgniter.
- codeigniter
- javascript
- forms
A fully featured, self-hosted release server for electron applications, compatible with auto-updater.
Lightweight and simple JS date formatting and parsing
- parsing
- javascript
- date