tailieunhanh - Testable JavaScript

One skill that’s essential for any professional JavaScript developer is the ability to write testable code. This book shows you what writing and maintaining testable JavaScript for the client- or server-side actually entails, whether you’re creating a new application or rewriting legacy code. From methods to reduce code complexity to unit testing, code coverage, debugging, and automation, you’ll learn a holistic approach for writing JavaScript code that you and your colleagues can easily fix and maintain going forward. Testing JavaScript code is complicated. This book helps you simply the process considerably | Ensuring Reliable Code Ị O REILLY Mark Ethan Trostler Web Development Testable JavaScript One skill that s essential for any professional JavaScript developer is the ability to write testable code. This book shows you what writing and maintaining testable JavaScript for the client- or serverside actually entails whether you re creating a new application or rewriting legacy code. From methods to reduce code complexity to unit testing code coverage debugging and automation you ll learn a holistic approach for writing JavaScript code that you and your colleagues can easily fix and maintain going forward. Testing JavaScript code is complicated. This book helps you simplify the process considerably. Get an overview of Agile test-driven development and behavior-driven development Use patterns from static languages and standards-based JavaScript to reduce code complexity Learn the advantages of event-based architectures including modularity loose coupling and reusability Explore tools for writing and running unit tests at the functional and application level Generate code coverage to measure the scope and effectiveness of your tests Conduct integration performance and load testing using Selenium or CasperJS Use tools for in-browser mobile and production debugging Understand what when and how to automate your development processes . .arich comprehensive book on the topic. I would recommend it to everyone serious about JavaScript Shelley Powers author of JavaScript Cookbook Mark Ethan Trostler a Software Engineer in Test with Google s Ads team has been writing and testing code for more than 20 years at startups IPivof and large corporations Qualcomm Intel Redback Networks Juniper Networks and Yahoo . He s the author of the Open Source Javascript Unit Test Environment Qjttps zzo JUTE . US CAN ISBN 978-1-449-32339-4 Twitter @oreillymedia oreilly O REILLY8 Testable JavaScript Mark .