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@bennadel
Created August 17, 2012 14:43
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Using Underscore.js Templates To Render HTML Partials
<!doctype html>
<html>
<head>
<meta charset="utf-8" />
<title>Looking At Underscore.js Templates</title>
</head>
<body>
<h1>
Looking At Underscore.js Templates
</h1>
<!-- BEGIN: Underscore Template Definition. -->
<script type="text/template" class="template">
<h2>
<%- rc.listTitle %>
</h2>
<ul>
<% _.each( rc.listItems, function( listItem ){ %>
<li>
<%- listItem.name %>
<% if ( listItem.hasOlympicGold ){ %>
<em>*</em>
<% } %>
</li>
<% }); %>
</ul>
<% var showFootnote = _.any(
_.pluck( rc.listItems, "hasOlympicGold" )
); %>
<% if ( showFootnote ){ %>
<p style="font-size: 12px ;">
<em>* Olympic gold medalist</em>
</p>
<% } %>
</script>
<!-- END: Underscore Template Definition. -->
<!-- Include and run scripts. -->
<script type="text/javascript" src="../jquery-1.8.0.js"></script>
<script type="text/javascript" src="../underscore.js"></script>
<script type="text/javascript">
// When rending an underscore template, we want top-level
// variables to be referenced as part of an object. For
// technical reasons (scope-chain search), this speeds up
// rendering; however, more importantly, this also allows our
// templates to look / feel more like our server-side
// templates that use the rc (Request Context / Colletion) in
// order to render their markup.
_.templateSettings.variable = "rc";
// Grab the HTML out of our template tag and pre-compile it.
var template = _.template(
$( "script.template" ).html()
);
// Define our render data (to be put into the "rc" variable).
var templateData = {
listTitle: "Olympic Volleyball Players",
listItems: [
{
name: "Misty May-Treanor",
hasOlympicGold: true
},
{
name: "Kerri Walsh Jennings",
hasOlympicGold: true
},
{
name: "Jennifer Kessy",
hasOlympicGold: false
},
{
name: "April Ross",
hasOlympicGold: false
}
]
};
// Render the underscore template and inject it after the H1
// in our current DOM.
$( "h1" ).after(
template( templateData )
);
</script>
</body>
</html>
_.templateSettings.variable = "rc";
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