19. WCSS Marquee Extension

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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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