Book Image

Learning ServiceNow. - Second Edition

5 (1)
Book Image

Learning ServiceNow. - Second Edition

5 (1)

Overview of this book

This book is an updated version of Learning ServiceNow, that will cover the new and updated features of the ServiceNow platform. It will show you how to put important ServiceNow features to work in the real world, while introducing key concepts via examples of managing and automating IT services. It'll help you build a solid foundation of knowledge, and will demonstrate how to effectively implement and configure modules within ServiceNow. We'll show you how to configure and administer your instance, and then move on to building strong user interfaces and creating powerful workflows. We also cover other key elements of ServiceNow, such as notifications, security, reporting, and custom development. You will learn how to improve and automate your business' workflow and processes. By the end of this book, you will be able to successfully configure and manage ServiceNow like a pro.
Table of Contents (19 chapters)
Learning ServiceNow Second Edition
Contributors
Preface
Index

Client-side versus server-side APIs


Originally, ServiceNow's name was GlideSoft. While that was a long time ago, there are still some indicators of the company's history, such as in the naming of ServiceNow's scripting API suite: the Glide API.

Scripting is an important part of ServiceNow, and many different types of records support scripting in one or more fields. Some scripts execute server side, and some execute client side. Whether a script executes on the client or on the server, determines the API that it has access to.

Server scripts, executing on the server as they do, have access to a different set of programming interfaces than client scripts, because client scripts execute within the browser. Thus, only scripts which are included in the webpage and sent from the server to the browser can be executed or called from within client scripts. Since it would be impractical and have a negative impact on performance to send over the entire scripting library from the server to the client...