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POActivating knockout bindings to specific part of document
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14936263
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2013-02-18T12:25:24.600
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2013-02-18T13:16:24.620
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2013-02-18T13:16:24.620
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Consider this code: <pre><code> $(document).ready(function () { var menuView = function() { var self = this; this.blancos = ko.observableArray([]); this.load_blancos = function() { $.getJSON("{% url api_template_list_create %}", function (data) { ko.mapping.fromJS(data, {}, self.blancos); }) }; this.init = function() { self.load_blancos(); }; this.init(); }; ko.applyBindings(new menuView(), document.getElementById('blancos_menu')); }); </code></pre> And this HTML: <pre><code> <ul class="dropdown-menu" id="blancos_menu"> <li><a href="{% url template_planning %}">Create new</a></li> <li class="divider"></li>  <li> <a href="#" data-bind="text:name"></a> </li>  </ul> </code></pre> The ko: foreach function does not execute (i.e. no list items generated). I do see "[object Object],[object Object]" in the preceding span (there for testing purposes). For a very bizarre reason, when I change the line <code></code> to <code></code>, the ko: foreach function is executed and I get to see the different list items. Surprisingly I do get a JavasScript error stating that blancos is not defined and hence cannot be bound. (BUT! The span still contains the text "[object Object],[object Object]"). I really can't get my around it; thanks for looking into this. By the way, the data returned by the JSON call is: <pre><code>[{"id": 1, "name": "123"}, {"id": 2, "name": "test_wzzob"}] </code></pre> UPDATE Changing <pre><code>ko.mapping.fromJS(data, viewModel); </code></pre> into <pre><code>ko.mapping.fromJS(data, {}, self.blancos); </code></pre> does the trick indeed, but there's still an error <pre><code>Uncaught Error: Unable to parse bindings. Message: ReferenceError: blancos is not defined; Bindings value: foreach: blancos </code></pre> The same applies for other properties or methods. I dont't get that error when prepending the variables (or functions) I'm binding in the HTML with $root (but then, they're empty).
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<knockout.js>
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Activating knockout bindings to specific part of document
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