Epson TM-T88V-i

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Chapter 5 ePOS-Print Canvas API
5
onbatteryok event
Registers call back function and obtains remaining battery event. (in firmware Ver.2.2 and later)
Syntax
Function ()
Example
onbatterylow event
Registers call back function and obtains no remaining battery event. (in firmware Ver.2.2 and later)
Syntax
Function ()
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.onbatteryok = function () {
alert('batteryok’);
};
epos.open();
//-->
</script>
<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.onbatterylow = function () {
alert('batterylow’);
};
epos.open();
//-->
</script>