Detecting Change on Observable Property or Model

[Eqbal sohrabi]

I want to track change on view-model or an observable item, and run some other function when model changed. I don't want to bind change event to my html elements.
Sample:

var myModel={

    myProp:ko.observable(),

  myFunc() {

      alert("myProp changed");

    }

}

[Jonathan Shay]

You want to use a kocomputed observable. They update anytime one of the properties to which they refer are updated.

Get Outlook for Android

[jks...@jkshay.com]

Alternatively you could subscribe to changes in an observable with the observableProperty.subscribe function.

On Mar 15, 2021 7:01 AM, Jonathan Shay <jks...@jkshay.com> wrote:

You want to use a ko.computed observable. They update anytime one of the properties to which they refer are updated.

Get Outlook for Android

[Didier Gasser-Morlay]

Or subscribe on the observable

Le lun. 15 mars 2021 à 12:03, Jonathan Shay <jks...@jkshay.com> a écrit :

You want to use a kocomputed observable. They update anytime one of the properties to which they refer are updated.

Get Outlook for Android

--
You received this message because you are subscribed to the Google Groups "KnockoutJS" group.
To unsubscribe from this group and stop receiving emails from it, send an email to knockoutjs+...@googlegroups.com.
To view this discussion on the web visit https://groups.google.com/d/msgid/knockoutjs/DD98DB1A-D722-B44E-A897-A1B6A6D676BE%40hxcore.ol.

[Eqbal sohrabi]

I Just using  observableProperty.subscribe and the problem resolved.