KnockoutJS mapping from JS not create an observable array

Question

I thought the mapping plugin should return an observable array but the obbservable array is empty even though 'resp' response from server has 1000s of elements.

Am I missing something here? Please see below.

 <script type="text/javascript">         

        function tasksViewModel() {
            var self = this;

            self.tasks = ko.observableArray(null);

            self.load = function () {
                $.ajax({
                    url: '/api/benchmark',              
                    success: function(resp) {
                       // This line isn't working!
                       self.tasks = ko.mapping.fromJS(resp);
                    },
                    dataType: 'json'
                });
            }
        }

        var viewModel = new tasksViewModel();

        $(function () {

            ko.applyBindings(viewModel);
            viewModel.load();
        });

    </script>

Ilya · Accepted Answer · 2013-04-12 15:02:18Z

1

self.tasks(resp);

you should set new value to existed observable array

answered Apr 12, 2013 at 15:02

Ilya

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1 Comment

jaffa Over a year ago

Yes, I remember now. The mapping creates observables of single properties not arrays, thanks. Wish this was a little more clear on their site.

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