Do UI Policies execute after client scripts?

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UI Policies execute after client scripts, and this is an important aspect to understand when developing applications in ServiceNow. Client scripts are used primarily to manipulate form fields and ensure that the user experience is smooth, responsive, and tailored to specific business requirements. They run on the client side and can dynamically change field values, visibility, and other attributes based on the logic defined within the script.

After the client scripts have been executed, UI Policies then take effect. UI Policies are a method for setting field attributes such as visibility, read-only state, and mandatory status based on defined conditions. Since these policies can override settings established by client scripts, understanding this execution order is vital for developers when implementing the desired behavior of forms.

Knowing that UI Policies execute after client scripts helps developers in troubleshooting issues with field states. If a field does not appear as expected, developers can be assured that UI Policies will apply any settings after the initial changes made by client scripts, thus providing a clear order of operations within the ServiceNow platform. This ensures that changes implemented through both methods work harmoniously to achieve an optimal user interface.

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