Client Scriptsin ServiceNow are scripts that runon the client-side (browser)and execute in real-time based on user interactions with a form.

B. A client script

Runs in the user’s browserwhen they interact with the form.

Can trigger alerts, field changes, or validationsinstantly.

Example:

If a user changes thePriorityfield on anIncident form, aClient Scriptcan:

Display analert

Change other field values (e.g., auto-setImpact and Urgency)

Validate input before submission

A. A server script

Server-side scripts executeon the server, not in the browser.

These includeBusiness Rules, Script Includes, and Scheduled Jobs.

They runafter form submission, not during real-time user interactions.

C. A fix script

Fix scripts areone-time scriptsused fordata correctionsorinstance updates.

They donotexecute based on form interactions.

D. A business rule

Business Rulesrunon the serverand typically triggeron record insert, update, or delete.

They donotprovide real-time alerts in the user’s browser.