self: Loads the result into the same browsing context as the current one. This is the default if the
targetattribute isn’t specified, or if the
baseelement is missing altogether. In other words, this is how links and forms behave normally.
blank: Loads the result into a new, unnamed browsing context (a new browser window or tab).
parent: Loads the result into the parent browsing context of the current one. If there is no parent, this option behaves in the same manner as
top: Loads the result into the top-level browsing context, which is the window or inline frame that is an ancestor of the current ...
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