Building web 2.0 applications with ext js

Building web 2.0 applications with ext js

• 1.
  Building Web 2.0applications with ExtJS Marian Marinov Head of System Operations at Siteground.com WebTech 2009
• 2.
  What is DHTML?HTML 4.01 W3C Recommendation 24 December 1999 CSS 1 W3C Recommendation 17 December 1996 JavaScript ECMAScript ECMA-262 Edition 3 December 1999
• 3.
  What is Web2.0 ? Second generation of web development and design DHTML
• 4.
  CSS 2
• 5.
  A lot ofJavaScript All of the above provides & requires: More communication
• 6.
  Additional complex softwarerun by the clients
• 7.
  Why switching toWeb 2.0? Move some of the load to the client side
• 8.
  Move the presentationlayer to the client side
• 9.
  Easier addition andmanipulation of presentation features
• 10.
  Make the presentationlayer more attractive for end users
• 11.
  What is aFramework? A combination of predefined functions which should simplify developer's work A reusable design for a software system
• 12.
  Why we needto use JavaScript frameworks? Faster development
• 13.
  Simpler programs
• 14.
  Less requirements tothe developer
• 15.
  What does ExtJS2.0 gives you? Data formats: JSON
• 16.
  XML Ajax: Ext.Ajax
• 17.
  Design: Buildin styles& themes Tables, grids, panels, boxes, windows, menus and many more.
• 18.
  Easy to use,with examples & demos
• 19.
  What is BADabout ExtJS Very hard to restyle
• 20.
  Big size ofthe library
• 21.
  Hard to maintaindesign template
• 22.
  A little bitslower then other frameworks
• 23.
  Examples So nowwe open the browser