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Editorial Team
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Asked: 2026-06-02T06:44:42+00:00

How is it possible to debug a select value using knockoutjs? My attempt to

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How is it possible to debug a select value using knockoutjs? My attempt to use data-bind="change: function(){debugger} does not seem to be working.

<p data-bind="visible: $data[$item.settings.name]['navigation_type']() == 0" >
  Link to Screen:<br/><select name="screen" data-bind="change: function(){debugger}, options: $item.element().screen.flow.navigable_screens, optionsText: function(item) { return item.attributes.name();}, optionsValue: 'permanent_id', value: $data[$item.settings.name].permanent_id"></select>
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  1. Editorial Team

    Unfortunately knockout doesn’t work the way you appear to try to be using it. I’m assuming from this bit of code: data-bind="change: you are trying to bind to the jquery change event? If so, take a look at how select lists work here:

    http://knockoutjs.com/documentation/selectedOptions-binding.html

    and here:

    http://knockoutjs.com/examples/simpleList.html

    Knockout is much more elegant than jQuery, but follows the MVVM pattern instead of using jQuery events. I would suggest getting a highlevel understanding of the MVVM pattern, along with working through all the tutorials at http://learn.knockoutjs.com/

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