Zum Inhalt springen
Menü
Sie müssen registriert sein, um mit der Community zu interagieren.
Diese Frage wurde gekennzeichnet
1 Antworten
3908 Ansichten

Hello guys,

I really don't understand this new problem in Javascript.

I'm in the javascript function update_payment_summary in the point of sale.


This one works well :

var currentOrder = this.pos.get('selectedOrder');
var plines = currentOrder.get('paymentLines').models;

for (var i = 0; i < plines.length; i++) {
    var message = plines[i].get_type();
    console.log('payment_method ' + message +' et le i est : ' + i);
}

The log displays :  "payment_method cash et le i est : 0"


This one doesn't work ??????? :

var currentOrder = this.pos.get('selectedOrder');
var plines = currentOrder.get('paymentLines').models;

var i = 0;
var message = plines[i].get_type();
console.log('payment_method ' + message +' et le i est : ' + i); }

I get this error :  TypeError: plines[i] is undefined



I'm crazy or what?

Thanks to help

Avatar
Verwerfen
Autor Beste Antwort

I have found my error.

When the point of sale load at the beginning, the function update_payment_summary is called.

This first time that the function is called, there is no paymentlines.

So my plines variable is undefined.

The using of the for statement is not the problem.

This one works :

                if (plines.length > 0) {
                           var i = 0;  
                      var mes = plines[i].get_type();
                       console.log('payment_method' + mes +'et le i est : ' + i);
                }


Avatar
Verwerfen
Verknüpfte Beiträge Antworten Ansichten Aktivität
0
Juli 25
294
1
Juli 25
5072
0
Juli 25
639
0
Juni 25
709
1
Juni 25
872