When creating the page scripts within UI builder, servicenow doesn't allow you to use Web API (except console and timeout), hence you are not able to access document or window objects. One neat trick ...

A small program that is run on the user's machine. For example, JavaScript scripts are widely used on Web pages that are executed in the client machine. Contrast with server-side script. THIS ...

For content heavy sites this can cause performance issues since the page is unresponsive while the client bundle is being executed. Recently, an early version of removing the client side bundle was ...