A simple Ext JS 4.2.1 MVC application example. Adapted from one of Sencha's older, non-MVC examples which shows a simple CRUD interface for employee management. BYOEXTJS. Not tested on versions lower than 4.2.1. Below are some notes on Ext JS for those new to the technology.
- Commercial JavaScript-based app framework for rich internet applications
- For more on the history, see Wikipedia
- Originally built as an add-on library extension of YUI by Jack Slocum
- Now owned and developed by Sencha Inc., along with other products like Sencha Touch (for mobile)
- Most famous for the grid UI widget
- As of version 4.0, Ext JS moved to a strict MVC structure for apps (by foldering/naming convention)
- Class system
- MVC framework
- UI Widgets
- Build tools (Sencha Cmd / Sencha Architect / Eclipse Plugin)
- Good documentation
- Sencha Touch
- Pros
- Comprehensive front-end development solution
- Class system, MVC framework, UI widgets, charts and graphs, cross browser support, build tools (Sencha Cmd / Sencha Architect / Eclipse Plugin)
- Virtualized grids - only virtualized on the rows though
- Cons
- High learning curve - with commercial vendor lock in!
- Best if you (or your team) are quite comfortable with JavaScript first
- Theming is a labor intensive process - themes were not easily portable until recently (4.2)
- Comprehensive front-end development solution
- Once you're in, you're all in
- Difficult to integrate into existing applications - documentation centers on new implementations
- Running "sencha generate app" from the command line
- Tries to be a "single page app"; though the newer "workspace" concept seems to acknowledge multi-page sites
- Bloat - "ext-all.js" is around 2 MB (!) minified
- Requires discipline to configure builds properly to construct a minimal, single source file for an application
- Performance - While improving, still renders a LOT of DOM elements for simple widgets
React
Typescript
Django
Laravel
Facebook
Microsoft
Google
Alibaba
D3
Tencent