HTML and CSS Reference
In-Depth Information
For example, the following are the
<meta>
tags for the headers of each
in a three-HTML-document cycle.
The
first.html
document contains:
<meta http-equiv="Refresh"
content="30; URL=second.html">
The
second.html
document contains:
<meta http-equiv="Refresh"
content="30; URL=third.html">
And the
third.html
document has in its
<head>
(besides other crazy
ideas):
<meta http-equiv="Refresh"
content="30; URL=first.html">
If it is left alone, the browser endlessly loops between the three docu-
ments at 30-second intervals.
Cycling documents make excellent attractors, catching the attention
of passers-by to a web-driven kiosk, for example. Users can navigate
through the wider collection of kiosk documents by clicking hyperlinks
in one of the kiosk's attractor pages and then by clicking subsequent
ones.
[*]
[*]
This brings up a good point: the user may override the
Refresh
dynamic action at any time (for
instance, by clicking a hyperlink before the client-pull timeout expires). The browser always ignores the
Refresh
action in lieu of user interaction.
To complete the cycle, documents selected from an attractor page also
should have their own
Refresh
fields that point back to the originating
