WML <prev> tag
 Complete WML Reference
The <prev> task represents the action of returning to the previous card
visited. If no previous URL exists, specifying <prev> has no effect.
Note: The content between the <prev>..</prev> tags is
optional. If you do not specify any content, you must use <prev/>.
Syntax
<prev>
..<setvar>..
</prev>
|
Attributes
| Attribute |
Value |
Description |
| class |
cdata |
Sets a class name for the element. The class name is case
sensitive. An element can be connected to multiple classes. Multiple class
names within the class attribute are separated by white space |
| id |
id |
Sets a unique name for the element |
Example
<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card>
<p>
<do type="accept" label="Back">
<prev>
<setvar name="x" value="30"/>
</prev>
</do>
</p>
</card>
</wml>
A <prev> tag with no content:
<?xml version="1.0"?>
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 1.1//EN"
"http://www.wapforum.org/DTD/wml_1.1.xml">
<wml>
<card>
<do type="accept" label="Back">
<prev/>
</do>
<p>
Hello World!
</p>
</card>
</wml>
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