ServiceNow Client Script Tutorial | ServiceNow client script examples
Client scripts allow the system to run JavaScript on the client (web browser) when client-based events occur, such as when a form loads, after form submission, or when a field changes value.
Use client scripts to configure forms, form fields, and field values while the user is using the form. Client scripts can:
- make fields hidden or visible
- make fields read-only or writable
- make fields optional or mandatory based on the user's role
- set the value in one field based on the value in other fields
- modify the options in a choice list based on a user's role
- display messages based on a value in a field
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