Onpoweroff Event; Oncoverok Event - Epson TM-T88V-i User Manual

onpoweroff event

Registers a callback function to obtain a non-response event. (in firmware Ver.1.2 and later)
Object type
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.onpoweroff = function () {
alert('poweroff');
};
epos.open();
//-->
</script>

oncoverok event

Registers a callback function to obtain a cover close event. (in firmware Ver.1.2 and later)
Object type
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.oncoverok = function () {
alert('coverok');
};
epos.open();
//-->
</script>
Chapter 5 ePOS-Print Canvas API
5
197