Dart 1 for Everyone: Fast, Flexible, Structured Code for the by Chris Strom

By Chris Strom

Psst! you are not caught with JavaScript anymore. Google's Dart language makes programming for the internet easier, speedier, and extra robust. With model 1.0 in 2013 and an ECMA normal in 2014, Dart is able to transform net improvement for the higher. And Dart 1 for Everyone has obtained you lined. thoroughly up-to-date for Dart 1 and the ECMA regular, with new sections on new Dart good points like procedure cascades, occasion streams, and sophistication syntax, this publication wastes no time in immersing you within the finer issues of this strong and strangely appealing language.

Dart has replaced considerably because the first printing of this booklet and Dart 1 for Everyone has stored up. each bankruptcy has been revised and a few chapters were virtually thoroughly rewritten because the first printing. The MVC venture chapters dumped the previous JavaScript-like occasion handlers for the graceful new streams interface, and the bankruptcy on trying out displays the broad adjustments in trying out now to be had in Dart.

Brand-new sections discover a few of Dart's appealing new positive factors, such as:

strategy cascades: increase code clarity dramatically.

occasion streams: Simplified occasion dealing with, in line with nearly some other asynchronous interplay in Dart.

Library elements: another method Dart promotes code organization.

New classification syntax: Dart helps a pleasant number of strangely expressive and concise how you can claim constructors.

* development your personal applications: speedy proportion your paintings with the world.

You'll commence writing Dart code on web page 1, and during the e-book, you will refactor that code to discover Dart's positive aspects: OOP, genuine libraries and programs, checking out, and extra. you will the way to write appealing, maintainable program code that simply works in all glossy browsers. warning: after examining you'll strengthen an excessive attachment to based code and thin jeans.

What You Need:You will want the Dart SDK, that is freely on hand from https://dartlang.org. many of the ebook works with Dartium, a preview unlock of Chrome that's integrated within the SDK and has the Dart VM integrated. a number of the examples use both the dart2js instrument or the Dart Editor to bring together Dart down into JavaScript - either are a part of the SDK.

Show description

Read Online or Download Dart 1 for Everyone: Fast, Flexible, Structured Code for the Modern Web PDF

Similar javascript books

Smashing Node.js: JavaScript Everywhere (Smashing Magazine Book Series)

Discover ways to make extra effective apps, with only one language!

Smashing Node. js: JavaScript all over equips you with the mandatory instruments to appreciate Node. js and its makes use of in constructing effective net apps. With extra conventional net servers turning into out of date, having wisdom on servers that in achieving excessive scalability and optimum source intake utilizing Node. js is the foremost on your app improvement good fortune. educating you the necessities to creating event-driven server-side apps, this publication demonstrates how one can use much less house and take much less time for conversation among net buyer and server.

* comprises quite a few hands-on examples
* Explains implementation of real-time apps together with Socket. IO and HTML5, and WebSockets
* Addresses functional Node. js merits from particular layout choices
* Demonstrates why wisdom and use of JavaScript is beneficial
* comprises an interactive on-line part with pattern chapters
* Explains elements of stand out apps together with brevity and benchmarks

Looking to reinforce your skills even additional? Smashing Node. js: JavaScript far and wide makes constructing server-side apps available with its specialise in JavaScript, open resource, and easy-to-use language.

Scripting in Java: Integrating with Groovy and JavaScript

Scripting in Java teaches you the way to take advantage of the Java Scripting API and JavaScript to execute scripts and make the most of the beneficial properties of a scripting language whereas constructing Java purposes. The e-book additionally covers issues that permit scripting languages to use Java positive aspects and the Java category library, together with the hot Java Collections and JavaFX eight APIs.

HTML, CSS & JavaScript Web Publishing in One Hour a Day

Completely revised and up to date with examples rewritten to comply to HTML5, CSS3, and modern net improvement practices, this easy-to-understand, step by step instructional is helping you quick grasp the fundamentals of HTML and CSS prior to relocating directly to extra complex issues reminiscent of images, video, and interactivity with javascript and jQuery.

Additional info for Dart 1 for Everyone: Fast, Flexible, Structured Code for the Modern Web

Example text

Extending IterableBase and defining iterator are a cheap way to get collection-like behavior in a class. We will discuss Dart’s object-oriented approach in Chapter 7, Classes and Objects, on page 59, but the intent of this class is already fairly self-evident. Our ComicsCollection is going to extend another class that knows different ways to iterate over a collection of things. In this case, IterableBase can iterate with methods like forEach(), map(), reduce(), and many others. All that IterableBase needs is an iterator, which our list of models provides via the List class.

UrlRoot/$id" : urlRoot; String get urlRoot => (collection == null) ? = null; With that, we can now define the save() method. Saving a client-side model involves the following: • An HttpRequest object, over which the model data will be sent to the backend datastore • JSON functions to encode the data before transport and to decode the response • A listener for the HttpRequest object’s onLoad (in other words, on success) event report erratum • discuss Chapter 6. Project: MVC in Dart • 52 • Replacing the model’s attributes property with data returned from the server • Invoking an optional callback so that the object that called save() can respond appropriately Whoa!

Of course, we have not even introduced the model base class yet, so let’s get that out of the way next. Hipster Models Where the collection had a models property to store its data, the model will have the attributes property. Recall that the collection will pass the model a reference to itself, giving the model quick access to the collection’s properties (for example, url). collection}); } The declaration of the attributes and collection properties in this class should be familiar now. attributes['title']).

Download PDF sample

Rated 4.45 of 5 – based on 13 votes