Learning Ext JS 4

For those with a little JavaScript experience, this book is a great way to learn Ext JS and start building interactive web applications using Ajax, DHTML, Dom, and the like. Ideal for beginners.

• Learn the basics and create your first classes
• Handle data and understand the way it works, create powerful widgets and new components
• Dig into the new architecture defined by Sencha and work on real world projects

In Detail

Ext JS is a JavaScript library for building interactive web applications using techniques such as Ajax, DHTML, and DOM scripting.

Ext JS 4 features expanded functionality, plugin-free charting, and a new MVC architecture, it's the best Ext JS web application development platform yet. It helps develop incredible web apps for every browser.

Learning Ext JS 4 will teach you how to get the best of each Ext JS component and also show you some very practical examples that you can use in real world applications. You will also learn why it is so useful and powerful in developing fast and beautiful applications.

The book starts with the very basics of Ext JS. You will learn to create a small application step-by-step, and add new features to it in every chapter.

Once you grasp the basics, you will learn more complicated topics such as creating new components, templates, architecture, patterns, and also tips and techniques that will help you improve your skills on JavaScript and Ext JS 4. We also cover how to create themes to make your application design beautiful and customize it the way you need.

At the end of the book, you will have a working application built using all the knowledge you gained from the book.

What will you learn from this book

• Learn how the Ext JS class system works and is organized
• Dig into how the Ext JS components and widgets work
• Use the powerful layout system that Ext JS 4 offers
• Focus on the new MVC pattern and good architecture
• Get the best of templates, dataviews, and grids
• Change the default theme of the library easily with compass and sass, and create custom themes
• Drag and drop easily and quickly with Ext JS 4

Approach

The book is a step-by-step tutorial full of example code and explanations to help a beginner learn Ext JS thoroughly.

Who this book is written for

This book will help you to learn Ext JS from scratch, it would be better if you have some JavaScript knowledge. Knowledge of HTML and CSS3 would be helpful but not required.

對於那些有一些JavaScript經驗的人來說，這本書是學習Ext JS並開始使用Ajax、DHTML、Dom等技術建立互動式網頁應用程式的絕佳途徑。非常適合初學者。

學習內容包括：
- 學習基礎知識並創建第一個類別
- 處理數據並了解其運作方式，創建強大的小工具和新組件
- 深入研究Sencha定義的新架構並參與實際項目

Ext JS是一個使用Ajax、DHTML和DOM腳本等技術建立互動式網頁應用程式的JavaScript庫。

Ext JS 4具有擴展功能、無需插件的圖表和新的MVC架構，是迄今為止最好的Ext JS網頁應用程式開發平台。它有助於為每個瀏覽器開發令人驚嘆的網頁應用程式。

學習Ext JS 4將教你如何充分利用每個Ext JS組件，並展示一些在實際應用程式中可以使用的實用示例。你還將了解為什麼它在開發快速且美觀的應用程式方面如此有用和強大。

本書從Ext JS的基礎知識開始。你將逐步學習創建一個小應用程式，並在每個章節中添加新功能。

一旦掌握了基礎知識，你將學習更複雜的主題，如創建新組件、模板、架構、模式，以及幫助你提高JavaScript和Ext JS 4技能的技巧和技術。我們還介紹了如何使用compass和sass輕鬆更改庫的默認主題並創建自定義主題。

在本書結尾，你將擁有一個使用從本書中獲得的所有知識構建的可運行應用程式。

本書的學習重點包括：
- 學習Ext JS類別系統的運作方式和組織
- 深入研究Ext JS組件和小工具的運作方式
- 使用Ext JS 4提供的強大佈局系統
- 著重於新的MVC模式和良好的架構
- 充分利用模板、數據視圖和網格
- 使用compass和sass輕鬆快速地拖放
- 本書是一本充滿示例代碼和解釋的逐步教程，旨在幫助初學者全面學習Ext JS。

本書適合以下讀者：
- 想從頭學習Ext JS的人，如果你有一些JavaScript知識會更好。了解HTML和CSS3對於理解有所幫助，但不是必需的。