Magatama.jsがリリースされたので使ってみる ref: http://qiita.com/59naga/items/c23508ef920fd1c458b0

index.html

<meta charset="UTF-8"><script src="https://cdn.rawgit.com/59naga/magatama/master/magatama.min.js"></script><!--
- var pageTitle= "Magatama is self compiling of jade."
doctype html
html(lang="en")
  head
    meta(charset="UTF-8")
    title= pageTitle
  body
    h1= pageTitle

index.jade

- var pageTitle= "Jade - node template engine"
doctype html
html(lang="en")
  head
    meta(charset="UTF-8")
    title= pageTitle
  body
    h1= pageTitle

index.jade.html

<script src="jade.js"></script>
<script>
window.onload=function(){
  var jade= require('jade');
  var begin= atob('PCEtLQ==');
  var end= /-->$/
  var source= document.head.innerHTML;
  var source= source.slice(source.indexOf(begin)+begin.length).replace(end,'');

  document.write(jade.render(source));
}
</script><!--
- var pageTitle= "Jade - node template engine"
doctype html
html(lang="en")
  head
    meta(charset="UTF-8")
    title= pageTitle
  body
    h1= pageTitle