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POusing underscore templates with backbone.js
 

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  1. POusing underscore templates with backbone.js
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    <p>I'm trying to create a page using backbone.js and underscore.js. I want the page to have a button, that when pressed, adds the contents of a form to an empty tag on the page using a template that I have defined.</p> <p>Here's my empty tag where I want the template stuff to go after the button is pressed:</p> <pre><code>&lt;div id="playView"&gt;&lt;/div&gt; &lt;input type="button" id="addQuestion" value="Add Question" /&gt; </code></pre> <p>Here's my template where the form data should go:</p> <pre><code>&lt;script id="viewTemplate" type="text/template"&gt; &lt;div id="stemView"&gt;{{ Stem }}&lt;/div&gt; &lt;label for="answer1"&gt; a)&lt;/label&gt;&lt;div&gt;{{ answer1View }}&lt;/div&gt; &lt;label for="answer2"&gt; b)&lt;/label&gt;&lt;div&gt;{{ answer2View }}&lt;/div&gt; &lt;label for="answer3"&gt; c)&lt;/label&gt;&lt;div&gt;{{ answer3View }}&lt;/div&gt; &lt;label for="answer4"&gt; d)&lt;/label&gt;&lt;div&gt;{{ answer4View }}&lt;/div&gt; &lt;/script&gt; </code></pre> <p>And here's the form that the user will fill out:</p> <pre><code>&lt;form&gt; &lt;textarea id="stem"&gt;&lt;textarea&gt; &lt;textarea id="answer1"&gt;&lt;/textarea&gt; &lt;textarea id="answer2"&gt;&lt;/textarea&gt; &lt;textarea id="answer3"&gt;&lt;/textarea&gt; &lt;textarea id="answer4"&gt;&lt;/textarea&gt; &lt;/form&gt; </code></pre> <p>And here is the relevant backbone.js code. My question is, what do I do in the event? How do I get the data from the form, then into the viewTemplate, and then into the empty div tag(playView)?</p> <pre><code>wizard.PlayView = Backbone.View.extend({ initialize: function () { this.model.bind('change', _.bind(this.render, this)); }, el: '#playView', events: { 'click button#addQuestion': 'addQuestion' } addQuestion: function () { $(this.el).append(); } }); </code></pre>
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    1. COWhat is the template library that you are using ? The syntax looks like Handlebars
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    2. COunderscore but I changed the template rules to use {{ }}
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    3. COSort-of off-topic but, If your using Backbone version > 0.9.0. You can use `this.$el` instead of `$(this.el)` to reference your view element. Also, you can use `this.model.on('change',this.render,this)` to supply a context for your callback. `bind` is an alias for `on`.
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