Mastering ServiceNow scripting : leverage JavaScript APIs to perform client-side and server-side scripting on ServiceNow instances / Andrew Kindred.

Format:

Book

Author/Creator:

Kindred, Andrew, author.

Language:

English

Subjects (All):

Cloud computing.

Application software--Development.

Application software.

Physical Description:

1 online resource (226 pages)

Edition:

1st edition

Place of Publication:

Birmingham, [England] ; Mumbai, [India] : Packt, 2018.

System Details:

text file

Summary:

Understand the ServiceNow scripting and build an efficient customized ServiceNow instance About This Book Customize your ServiceNow instance according to your organization's needs Learn to work with inbuilt JavaScript APIs in ServiceNow Take your ServiceNow experience to the next level by learning to script Who This Book Is For This book is targeted toward ServiceNow administrators or anyone willing to learn inbuilt JavaScript APIs used to script and customize ServiceNow instances. Prior experience with ServiceNow is required. What You Will Learn Customize your ServiceNow instance according to your organization's needs Explore the ServiceNow-exposed JavaScript APIs and libraries Discover the method for using ServiceNow scripting functions Take your ServiceNow experience to the next level by understanding advanced scripting Learn to build, test, and debug custom applications Use your customized instance efficiently with the help of best practices In Detail Industry giants like RedHat and NetApp have adopted ServiceNow for their operational needs, and it is evolving as the number one platform choice for IT Service management. ServiceNow provides their clients with an add-on when it comes to baseline instances, where scripting can be used to customize and improve the performance of instances. It also provides inbuilt JavaScript API for scripting and improving your JavaScript instance. This book will initially cover the basics of ServiceNow scripting and the appropriate time to script in a ServiceNow environment. Then, we dig deeper into client-side and server-side scripting using JavaScipt API. We will also cover advance concepts like on-demand functions, script actions, and best practices. Mastering ServiceNow Scripting acts as an end-to-end guide for writing, testing, and debugging scripts of ServiceNow. We cover update sets for moving customizations between ServiceNow instances, jelly scripts for making custom pages, and best practices for all types of script in ServiceNow. By the end of this book, you will have hands-on experience in scripting ServiceNow using inbuilt JavaScript API. Style and approach The book will take a practical approach delving into different aspects of ServiceNow scripting to help you become a scripting master.

Contents:

Cover

Title Page

Copyright and Credits

Packt Upsell

Contributors

Table of Contents

Preface

Chapter 1: Getting Started

Configuration versus customization

To script or not to script?

Types of script

Script execution

Introduction to scripting

Script editor

Summary

Chapter 2: Exploring the ServiceNow Glide Class

Using ServiceNow exposed JavaScript APIs

GlideRecord

Server-side Glide classes

GlideSystem

GlideDateTime

GlideElement

GlideAggregate

Client-side Glide classes

GlideForm

GlideUser

Additional client-side Glide classes

Script examples

Chapter 3: Introduction to Client-Side Scripting

Client scripts

onLoad

onChange

onSubmit

onCellEdit

UI policies

How and when to write client-side scripts

Making fields mandatory, visible, or read-only

Populating fields based on the value of another field

Showing/hiding form sections

Review

Testing client-side scripts

Alert

Jslog

Browser

Chapter 4: Advanced Client-Side Scripting

UI actions

Client-side UI actions

Calling server-side script

AJAX calls

Client-side AJAX

Server-side AJAX

Chapter 5: Introduction to Server-Side Scripting

Business rules

Access controls

How and when to write server-side scripts

Changing form values

Restricting access to forms and fields

Passing values to the client side

Testing server-side scripts

gs.log

Logging in scoped applications

Session debug

Script debugger

Chapter 6: Advanced Server-Side Scripting

Script includes

Scheduled jobs

Background scripts

Workflow scripts

Event management

Script actions

Summary.

Chapter 7: Introduction to Custom Pages

Introduction to Jelly

UI pages

Chapter 8: Scripting with Jelly

Jelly scripting

Evaluate

If

UI macros

Chapter 9: Debugging the Script

The script debugger

The session debugger

The Field Watcher

Debugging applications

The JavaScript Log and Debug window

Debugging REST

SOAP debugging

Chapter 10: Best Practices

Coding best practices

Business rule best practices

Before

After

Async

Display

Client script best practices

Debugging tools best practices

Logging

Logs and queues best practices

Logs

Queues

Event queue

System scheduler

ECC queue

System performance best practices

Chapter 11: Deployments with the Update Sets

When to use update sets

How to use scope with update sets

Transferring update sets between instances

Update set pitfalls

Update set best practices

Chapter 12: Building a Custom Application Using ServiceNow Scripting

Creating a custom application with ServiceNow scripting

Creating the application

Building the application

Example application

End-to-end development

Studio

Application development

Testing

Deployment

Publish to an update set

Publish to the application repository

Publish to the ServiceNow store

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Index.

Notes:

Includes index.

Description based on online resource; title from PDF title page (EBC, viewed March 22, 2018).

ISBN:

9781788627092

1788627091

OCLC:

1028178753