Timer

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A timer is an invisible component used to send the onTimer event to the server at a specified time or period. You can control a timer by using the start and stop methods.

 
<window title="Timer demo" border="normal">
    <label id="now"/>
    <timer id="timer" delay="1000" repeats="true"
         onTimer="now.setValue(new Date().toString())"/>
    <separator bar="true"/>
    <button label="Stops timer" onClick="timer.stop()"/>
    <button label="Starts timer" onClick="timer.start()"/>
</window>