Timers

In WML, you can use timers to perform timed actions. A timer measures a time period, and the browser undertakes some action when that period has expired. For example, if I assign a card's ontimer attribute to the ID of another card, the browser will navigate to that card when the timer finishes:

<?xml version="1.0"?> 
<!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD WML 2.0//EN"
    "http://www.wapforum.org/dtd/wml20.dtd" >
<wml>
    <card id="Card1" ontimer="#card2" title="Timers">
					.
					.
					.
					</card>
    .
    .
    .

You create a timer with the <timer> element and give it a time period (measured in tenths of seconds) with the value attribute, like this, where I'm giving this card's timer a period of 10 seconds:

 <?xml version="1.0"?> <!DOCTYPE wml PUBLIC "-//WAPFORUM//DTD ...

Get Real World XML now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.