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POHTML5 Contenteditable field and knockout: event rises before value binding
 

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  1. POHTML5 Contenteditable field and knockout: event rises before value binding
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    <p>I'm trying to to display an editable field bound to an observable. I use knockout plus 'contenteditable' property (html5). After editing the field, its value should be posted to server as a json string.</p> <p>The problem is with the value being posted to server. I expect to upload newly edited value, but instead of it I get old value.</p> <p>Here is the illustration of the issue on jsfiddle: <a href="http://jsfiddle.net/N8LDH/15/" rel="nofollow">link</a></p> <p>View:</p> <pre><code>&lt;h2 contenteditable="true" data-bind="editableText: title, event: { change: valueChanged }"&gt;&lt;/h2&gt; </code></pre> <p>editableText binder:</p> <pre><code>ko.bindingHandlers.editableText = { init: function (element, valueAccessor) { $(element).on('blur', function () { var observable = valueAccessor(); observable($(this).text()); }); }, update: function (element, valueAccessor) { var value = ko.utils.unwrapObservable(valueAccessor()); $(element).text(value); }}; </code></pre> <p>'Change' Event Trigger:</p> <pre><code> $('[contenteditable]').live('focus', function() { var $this = $(this); $this.data('before', $this.html()); return $this; }).live('blur paste', function() { var $this = $(this); if ($this.data('before') !== $this.html()) { $this.data('before', $this.html()); $this.trigger('change'); } return $this; }).live('keypress', function(e) { var code = (e.keyCode ? e.keyCode : e.which); if (code == 13) { var $this = $(this); if ($this.data('before') !== $this.html()) { $this.data('before', $this.html()); $this.trigger('change'); } e.preventDefault(); } return $this; }); </code></pre>
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