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  • Book Overview & Buying DART Essentials
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DART Essentials

DART Essentials

By : Sikora
4.8 (4)
Buy this Book
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DART Essentials

DART Essentials

4.8 (4)
By: Sikora
Buy this Book

Overview of this book

This book is targeted at expert programmers in JavaScript who want to learn Dart quickly. Some previous experience with OOP programming in other languages and a good knowledge of JavaScript are assumed.
Table of Contents (11 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Getting Started with Dart
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1. Getting Started with Dart
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What is Dart?
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Why choose Dart?
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Installing the Dart SDK
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The Dart language tour
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Summary
2
2. Practical Dart
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2. Practical Dart
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Optimizing DOM tree manipulations
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The documentation search app
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Combining Dart and JavaScript
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Dart MythBusters
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Summary
3
3. The Power of HTML5 with Dart
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3. The Power of HTML5 with Dart
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Creating the Reddit Read Later app
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Music visualizer
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Other noteworthy APIs and libraries
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Summary
4
4. Developing a Mobile App with Dart
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4. Developing a Mobile App with Dart
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300 ms tap delay
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Basics of CSS3 transformations
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A 3D bookshelf with DeviceOrientation events
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Position and distance tracker with the GeoLocation API and Google Maps API
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Drawing into 2D canvas using onTouch events
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Summary
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5. Web Components and polymer.dart
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5. Web Components and polymer.dart
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Web Components
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The Web Components polyfill for older browsers
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Basic HTML Import
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Using Shadow DOM
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Using Custom Elements
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Polymer.dart
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One-way data binding
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Two-way data binding
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Polymer core and paper elements
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Summary
6
6. AngularDart
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6. AngularDart
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Installing AngularDart
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To-do list with AngularDart
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Extending the to-do list
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A book component in AngularDart
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What is Angular 2.0?
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Performance tips for AngularDart
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Summary
7
7. Server-side Applications with Dart
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7. Server-side Applications with Dart
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The standalone Dart VM
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Parsing CLI arguments with the args package
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Writing a chat app with the WebSockets server
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Writing an HTTP server with the route package
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Using Dart as a full-stack language
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Summary
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8. Testing and Profiling the Dart Code
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8. Testing and Profiling the Dart Code
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Testing strategies for web apps
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Unit testing
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Operator overloading and mixins
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Testing AngularDart apps
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Profiling with the Observatory tool
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Summary
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9. Writing Native Extensions for the Standalone Dart VM
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9. Writing Native Extensions for the Standalone Dart VM
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The structure of native extensions
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Writing a minimal native extension
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Writing a native fuzzy search implementation
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Writing bindings for the exiv2 library
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Distributing native extensions
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Summary
10
Index
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Index

Why choose Dart?

There are five main environments where you can run Dart:

  • Dart compiled to JavaScript in practically any modern browser. The Dart SDK is shipped with Dart to a JavaScript compiler called dart2js, which takes your Dart code and compiles it into vanilla JavaScript. Right now, this is the most typical use case in a production environment.
  • The Dartium web browser comes out of the box with the Dart SDK. It's a modified version of Chromium (basically, an open sourced Chrome) that contains Dart VM along with JavaScript V8. We'll use Dartium for easy debugging and to run the Dart code without compiling it to JavaScript.
  • The standalone Dart VM allows you to run Dart code as a CLI script just like any other scripting language. The dart2js compiler itself is written in Dart.
  • Google Cloud Platform, since the introduction of Google's Managed VMs in November 2014, it also supports a hosting environment for server-side code written in Dart.
  • Fletch is an experimental highly concurrent Dart runtime, which will be able to run on both desktop and mobile platforms. It is scheduled for its official release at the end of 2015.

Dart VM is able to run your Dart code significantly more effectively than JavaScript V8. You can see current benchmarks at www.dartlang.org/performance/. Note that the dart2js compiler is doing pretty good even though the compilation process brings some additional overhead.

After the first public release of Dart, Google claimed they were planning to implement Dart VM right into Chrome as an alternative to JavaScript. However, on March 25, 2015, the Dart team released a blog post stating that after collecting reactions from their internal teams, they've decided to stop efforts to integrate Dart VM with Chrome and rather focus on improving integration with JavaScript.

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