Third-Party JavaScript

Third-Party JavaScript guides web developers through the complete development of a full-featured third-party JavaScript application. You’ll learn dozens of techniques for developing widgets that collect data for analytics, provide helpful overlays and dialogs, or implement features like chat or commenting. The concepts and examples throughout this book represent the best practices for this emerging field, based on thousands of real-world dev hours and results from millions of users.

About this Book

There’s an art to writing third-party JavaScript—embeddable scripts that can plug into any website. They must adapt easily to unknown host environments, coexist with other applications, and manage the tricky security vulnerabilities you get when code and asset files are served from remote web addresses. Get it right and you have unlimited options for distributing your apps. This unique book shows you how.

Third-Party JavaScript guides you through the ins and outs of building full-featured third-party JavaScript applications. You’ll learn techniques for developing widgets that collect data for analytics, provide helpful overlays and dialogs, or implement features like chat and commenting. The concepts and examples throughout the book represent the best practices for this emerging field, based on thousands of real-world dev hours and results from millions of users.

Written for web developers who know JavaScript, this book requires no prior knowledge of third-party apps.

What’s Inside

Writing conflict-free JavaScript, HTML, and CSS Making cross-domain requests from the browser How to overcome third-party cookie limitations Security vulnerabilities of third-party applications

Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

About the Authors

Ben Vinegar is an engineer at Disqus, a third-party JavaScript commenting platform. Anton Kovalyov is a software engineer at Mozilla. They are third-party applications experts whose work has been distributed on millions of websites

Table of Contents

1. Introduction to third-party JavaScript
2. Distributing and loading your application
3. Rendering HTML and CSS
4. Communicating with the server
5. Cross-domain iframe messaging
6. Authentication and sessions
7. Security
8. Developing a third-party JavaScript SDK
9. Performance
10. Debugging and testing

第三方Java脚本 指导Web开发人员完成功能齐全的第三方JavaScript应用程序的完整开发。你将学习几十种开发小部件的技术，这些小部件可以收集数据进行分析，提供有用的覆盖和对话，或者实现聊天或评论等功能。本书中的概念和示例代表了这一新兴领域的最佳实践，基于数以千计的实际开发时间和数百万用户的结果。

关于本书

编写第三方脚本是一门艺术–可嵌入任何网站的脚本。它们必须轻松适应未知的主机环境，与其他应用程序共存，并管理从远程Web地址提供代码和资产文件时遇到的棘手安全漏洞。做对了，你就有无限的选择来分发你的应用程序。这本独特的书告诉你如何做到这一点。

第三方Java脚本 指导您从头到尾构建功能齐全的第三方JavaScript应用程序。您将学习开发小部件的技术，这些小部件可以收集数据进行分析，提供有用的覆盖和对话，或者实现聊天和评论等功能。整本书中的概念和示例代表了这个新兴领域的最佳实践，基于数以千计的实际开发时间和数百万用户的结果。

这本书是为了解JavaScript的Web开发人员编写的，不需要事先了解第三方应用程序。

What’s Inside

从浏览器编写无冲突的跨域请求如何克服第三方Cookie限制第三方应用程序的安全漏洞

Purchase of the print book includes a free eBook in PDF, Kindle, and ePub formats from Manning Publications.

About the Authors

我是醋。 是第三方JavaScript评论平台Disqus的工程师。 安东·科瓦廖夫 是Mozilla的一名软件工程师。他们是第三方应用程序专家，他们的工作已在数百万个网站上发布

Table of Contents

1. 第三方Java脚本简介
2. 分发和加载您的应用程序
3. 呈现html和css
4. 与服务器通信
5. Cross-domain iframe messaging
6. 身份验证和会话
7. 安防
8. 开发第三方JavaScript SDK
9. 性能
10. Debugging and testing