Templating in Knockout.js

JavaScript performance comparison

Revision 2 of this test case created

Preparation code

<script src="http://ajax.googleapis.com/ajax/libs/jquery/1/jquery.min.js"></script>
<script src="http://github.com/downloads/SteveSanderson/knockout/jquery.tmpl.js"></script>
<script src="http://cloud.github.com/downloads/SteveSanderson/knockout/knockout-1.3.0beta.debug.js"></script>

<div id="koTest">
        <ul data-bind="template: { name: 'item_koTmpl', foreach: items }"></ul>
</div>

<div id="jqTest" data-bind="template:'item_jqTmpl'"></div>

<script id="item_koTmpl" type="text/x-jquery-tmpl">
  <li data-bind="text: id"></li>
  <li data-bind="text: name"></li>
  <li data-bind="text: type"></li>
</script>

<script id="item_jqTmpl" type="text/x-jquery-tmpl">
  jquery template
  <ul>
          {{each(index, item) items()}}
                  <li>${item.id()}</li>
                  <li>${item.name()}</li>
                  <li>${item.type()}</li>
          {{/each}}
  </ul>
</script>

<script>
  $(function(){
          function Item(id, name, type) {
                return {
                  id: ko.observable(id),
                  name: ko.observable(name),
                  type: ko.observable(type)
                }
          }
         
          window.viewModel = {
                items: ko.observableArray([new Item(1, "one", "a"), new Item(2, "two", "b"), new Item(3, "three", "a")])
          };  
  });
</script>

Preparation code output

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    Testing in unknown unknown
    Test Ops/sec
    KO native templating
    ko.setTemplateEngine(ko.nativeTemplateEngine.instance);
    ko.applyBindings(viewModel, $("#koTest")[0]);
    pending…
    jquery templating
    ko.setTemplateEngine(new ko.jqueryTmplTemplateEngine());
    ko.applyBindings(viewModel, $("#jqTest")[0]);
    pending…

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