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onbatterystatuschange event
Registers call back function and obtains battery status change event. (in firmware Ver.2.2 and later)
Syntax
Function (battery)
Parameter of the callback function
Parameters: battery
Name: Batterystatus
Objecttype: Number
Example
<script type="text/javascript" src="epos-print-3.x.x.js"></script>
<script type="text/javascript">
<!--
var address = 'http://192.168.192.168/cgi-bin/epos/service.cgi?devid=local_printer';
var epos = new epson.CanvasPrint(address);
epos.onbatterystatuschange = function (battery) {
alert(battery);
};
epos.open();
//-->
</script>
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