Client Scripts

Overview

This skill covers comprehensive client script development in ServiceNow:

• Client script types: onLoad, onChange, onSubmit, onCellEdit
• The g_form API for form manipulation
• g_user and g_scratchpad objects for session context
• GlideAjax for asynchronous server calls
• Performance optimization and best practices
• Mobile/Service Portal considerations
• Debugging techniques and common patterns

When to use: When you need to execute JavaScript in the browser to manipulate form behavior, validate data, or provide dynamic user interactions.

Who should use this: Developers building custom form behaviors, validations, and user experience enhancements.

Prerequisites