By John Resig, Russ Ferguson, John Paxton
ISBN-10: 1430263911
ISBN-13: 9781430263913
Professional JavaScript strategies is the final word JavaScript booklet for today's net developer. It offers every thing you want to find out about sleek JavaScript, and teaches you what JavaScript can do in your sites. This e-book doesn't waste any time taking a look at belongings you already be aware of, yet as a substitute concentrates on basic, important topics—what sleek JavaScripting is (and isn't), and pitfalls to be cautious of.
You will find out about the 'this' key-phrase, in addition to new item instruments. it is possible for you to to create reusable code with encapsulation, overloading and inheritance. the newest ideas for debugging and checking out are lined comprehensively, with info on Chrome developer instruments, Jasmine, PhantomJS and Protractor. This replace finishes with chapters on developing single-page net functions that dominate the trendy web.
The publication is full of real-world examples and case reviews, in addition to a number of reusable services and sessions to avoid wasting you time on your improvement. you'll study the sensible talents had to construct expert, dynamic internet purposes. seasoned JavaScript suggestions is an integral reference for any expert JavaScript net developer—enhance your JavaScript improvement today.
What you’ll learn
Real-world options for the fashionable JavaScript developer
find out how to increase your improvement abilities and be a greater developer
effective recommendations for object-oriented JavaScript, together with the 'this' keyword
the main updated instruments for trying out and debugging, together with browser improvement tools
easy methods to successfully use occasions, types and Ajax
an outline of the AngularJS framework, Unit checking out and finish to finish testing
Who this publication is for
This ebook is for the developer who desires to get the main out in their JavaScript. they might have bought the 1st variation of this publication and now are looking to get updated with the newest advancements, or this can be the 1st time they've got stumble upon the name. they can be a operating developer or utilizing JavaScript of their spare time - this booklet will improve their abilities and lead them to a greater JavaScript developer.
Table of Contents
specialist JavaScript Techniques
good points, features, and Objects
developing Reusable Code
Debugging JavaScript Code
The rfile item Model
Events
JavaScript and shape Validation
creation to Ajax
net creation Tools
AngularJS and Testing
the way forward for JavaScript
Appendix A: DOM Reference
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Additional resources for Pro JavaScript Techniques (2nd Edition)
Example text
Wouldn’t it be nice if we could have full control over what winds up in the global namespace, without necessarily using globally scoped objects or functions to do so? Luckily, we are about to see a tool that can help us do exactly that. Immediately Invoked Function Expressions If we want to avoid polluting the global namespace, functions are the logical solution. Functions create their own execution context when they are running, which is subordinate to but insulated from the global namespace. When the function finishes running, the execution context is available for garbage collection and the resources dedicated to it can be reclaimed.
Otherwise, become comfortable with the notion that most data in JavaScript is public anyway. The Future of Object-Oriented JavaScript We would be remiss in overlooking the fact that there are some changes coming to object-oriented JavaScript with ECMAScript 6. The most important of these changes is the introduction of a working class keyword. ). It will also include provisos for the use of the keyword extends to create an inheritance relationship. Finally, when overriding functions in a child type, ECMAScript 6 sets aside the super keyword to refer to the version of the function on the prototype chain.
But that feature is not the be-all, end-all of object-oriented code. Perhaps in the future, JavaScript will have a super keyword with the appropriate functionality. ) But for now, we can get along quite well without it. Member Visibility In object-oriented code, we often want to control the visibility of our objects’ data. Most of our members, whether functions or properties, are public, in keeping with JavaScript’s implementation. But what if we need private functions or private properties? JavaScript does not have easy, straightforward visibility modifiers (like “private” or “protected” or “public”) that control who can access a member of a property.
Pro JavaScript Techniques (2nd Edition) by John Resig, Russ Ferguson, John Paxton
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