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easante (110) [Avatar] Offline
#1
The DashboardComponent class' ngOnInit() and ngOnDestroy() methods both use
this.subscription
but
subscription
is not defined prior to its use. This throws the error message
Property 'subscription' does not exist on type 'DashboardComponent'
.
jeremy.wilken (208) [Avatar] Offline
#2
Thanks for the catch. The code here shows it correctly so add this line.

https://github.com/angular-in-action/stocks/blob/master/src/app/components/dashboard/dashboard.component.ts#L12
easante (110) [Avatar] Offline
#3
Thanks very much.