title: Tutorials for writing a parser with Javascript
body: <p>I've seen a couple of languages (namely <a href="http://jashkenas.github.com/coffee-script/" rel="noreferrer">CoffeeScript</a> and <a href="http://lesscss.org/" rel="noreferrer">LessCSS</a>) that are built on Javascript. </p>
  
  <p>Are there tutorials anywhere for writing languages/parsers with Javascript?</p>