In ServiceNow,scripts that run in the browser (client-side)includeUI PoliciesandClient Scripts. These scripts execute on theuser’s web browser, allowing real-time interaction with forms and fields without requiring a server request.
Executed in the user’s browserwhen a form is loaded, saved, changed, or submitted.
Used forreal-time form validation, auto-population, and dynamic UI changes.
Written inJavaScriptand runs on the client side.
Applyrulesto make fieldsmandatory, visible, or read-onlydynamically.
Moreefficientthan Client Scripts because theydon’t require scriptingin most cases.
A. Script Include Scripts– Theserun on the server, not in the browser. They are reusable functions that can be called from different scripts.
B. Business Rule Scripts– Business Rulesexecute on the server-side, triggered by database operations (Insert, Update, Delete).
C. Access Control Scripts– These areserver-side security rules(ACLs) that restrict user access to records and fields.
ServiceNow Client Scripts and UI Policies
ServiceNow CSA Training Module:"Client-Side Scripting in ServiceNow"
1. Client Scripts:2. UI Policies:Why Other Answers Are Incorrect:References from Certified System Administrator (CSA) Official Documentation:
