The name of property.
The value of the property. If not provided, the output of the body is used with whitespace trimmed.
Target object whose property will be set.
The target must not be frozen, which, in the context of JSP, means only the parent element tags within the current page, and the current page itself, can reliably have properties set. Trying to set properties outside this scope is not advised and will likely be unreliable at best. An exception will be thrown when trying to set a property on a frozen node.
In the future, we may add "attributes" to nodes, which would provide for different scopes (application, session, request, page?) and could be changed dynamically.
Optionally allows an existing property, when set to
A property on a target may not be changed once set. This includes when it has
been set to