Snakeskin

Demo

HTML

<script src="http://kobezzza.com/files/snakeskin.min.js"></script>
<script type="text/x-snakeskin-template" id="templates">
    {template helloWorld(name)}
        <h1>Hello {name}!</h1>
    {/template}
    
    {template x(name)}
        <h1>Hello {name}!</h1>
    {/template}
</script>

<div id="test"></div>

JavaScript

Snakeskin.compile(document.getElementById('templates'));
document.getElementById('test').innerHTML = helloWorld('world') + x('1111');