A:link connection normal state
A:hover When the mouse is placed
A:active When the mouse is pressed
A:visited The status after the connection has been visited
target attribute
_blank
The browser always opens in a new, unnamed window Load the target document into .
_self
The value of this target is the default target for all tags that do not specify a target, which causes the target document to be loaded and displayed in the same frame Or as a source document in the window. This target is redundant and unnecessary unless used in conjunction with the target attribute in the
_parent
This target causes the document to be loaded into the parent window or frameset containing the frame referenced by the hyperlink. If this reference is in a window or in a top-level frame, it is equivalent to target _self.
_top
This goal causes the document to load into the window containing the hyperlink. Using the _top goal will clear all contained frames and load the document into the entire browser window.
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