// My very own template engine :DD

function precompile (template) {
  return function (locals) {
    return template.replace(/\#\{([a-z0-9_]+)\}/g, function (_, key) {
      return locals[key];
    });
  }
};

var template = [
  '<div class="head">',
	'<h1>#{title}</h1>',
    '<h2>#{subtitle}</h2>',
  '</div>'
].join('\n')

var tpl = precompile(template);

tpl({ title: 'hello', subtitle: 'world' });

/*
"<div class="head">
<h1>hello</h1>
<h2>world</h2>
</div>"
*/