output of select box

gistfile1.html

<select>
   <option> Select ... </option>
   <option value='__ko.bindingHandlers.options.optionValueDomData__'>Hi</option>
</select>

gistfile2.html

<script type='text/javascript'>

var viewModel = function() {
   this.options = [{ id: 1, value : 'Hi' }]
}

jQuery(function($) {
  ko.applyBindings(viewModel);
});



</script>

<select data-bind="options: options, optionsCaption: ' Select ...', optionsText: 'value'" ></select>