<script src="lib/jinja.min.js"></script>

<script type="text/jinja" id="standalone">
    <h1>Welcome to {{ title|capitalize}}!</h1>
</script>

<script src="lib/jinja.jquery.js"></script>
...
<script>
    // Replace #content with rendered template
    $('#content').jinja({ title: 'jinja.js' });
</script>

<script>
    var script      = document.getElementById('standalone');
    var template    = script.innerHTML;
    var context     = { title: 'jinja.js' };
    var content     = Jinja.render(template, context);

    document.write(content);

    // or

    var container = document.createElement('div');
    container.innerHTML = content;
    script.parentNode.replaceChild(container, script);
</script>

$ ./bin/build
npm info it worked if it ends with ok
npm info using [email protected]
…
Finished!