Ember.js v0.9.7

HTML

<script src="http://cloud.github.com/downloads/emberjs/ember.js/ember-0.9.8.js"></script>
<script type="text/x-handlebars" >
    {{#view App.view}}
        {{#each number in view.foo}}
            {{#if view.bar}}
                {{number}}
            {{/if}}
        {{/each}}
    {{/view}}
</script>

JavaScript

App = Ember.Application.create({});

App.view = Ember.View.extend({
    foo: [1, 2, 3],
    bar: true
});