19. WCSS
Marquee Extension
The
properties in the marquee extension of WCSS enable the scrolling of
some content across the screen of a mobile device. The content can be
a line of text, an image, an anchor link, etc (Note: some WAP
browsers [from Sony Ericsson, for example] only support scrolling
text). This feature is very useful for displaying a line of text or
an image that is wider than the screen.
The
WCSS marquee extension consists of four properties and one property
value. An overview of their functions is given below:
-wap-marquee
property value -- It is used with the display property. The XHTML
MP element that is applied with the WAP CSS style rule "display:
-wap-marquee" will scroll across the screen of a mobile
device.
-wap-marquee-dir
property -- It is used to specify the direction of a marquee
animation.
-wap-marquee-loop
property -- It is used to specify the number of times that a
marquee animation should repeat.
-wap-marquee-speed
property -- It is used to specify the speed of a marquee animation.
-wap-marquee-style
property -- It is used to specify how a marquee animation should
scroll across the screen. Three styles are available: scroll, slide
and alternate.
The
following sections describe the details of these properties and
property values.
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