Is function.bind gone?

kabexef

I try to connect a bound function to a signal to get my old context back. Unfortunately i get the error 'TypeError: Result of expression 'fctn.bind' [undefined] is not a function.'.

var bbb = {
	"txt": "BBB-Text",
	"p1": "BBB-P1",
	"go": function(localThis) { 
		print("Function Code (this): Text = " + this.txt + "; p1 = " + this.p1); 
		print("Function Code (bbb): Text = " + bbb.txt + "; p1 = " + bbb.p1); 
	}
}

print("*** BBB GO ***");
bbb.go();	

print("*** FCTN GO ***");
var fctn = bbb.go;
fctn();

function anotherFunction() {
	print("anotherFunction");
}

var timer = new DzTimer();
timer.timeout.connect(anotherFunction);
timer.timeout.connect(bbb.go);
timer.timeout.connect(fctn);
timer.timeout.connect(fctn.bind(bbb)); // TypeError: Result of expression 'fctn.bind' [undefined] is not a function.

print("*** TIMER START ***");
timer.singleShot = true;
timer.start(100);

// sleep... // keep script alive while timer is running

Ok, the workaround (directly referencing the defining var) will work ... but is not what i wanted.