Usage of ruby.js in sample/ to load ruby files paths resolved as an url would be normally
see sample/
<!DOCTYPE html>
<html>
<head>
<title>JsMruby Sample</title>
<script type="text/javascript" src="ruby_js/resource/xui.js"></script>
<script type="text/javascript" src="ruby_js/resource/ruby.js"></script>
</head>
<body id="bodyId">
<object id="jsmruby" type="application/x-jsmruby-plugin" width="1" height="1" style="position: absolute;">install JsMruby</object>
<script type="text/javascript">
// retrieve and initialize the mruby, and 'require' a ruby file
jsmruby = document.getElementById("jsmruby");
Ruby.init(jsmruby);
Ruby.require("my_ruby_program.rb"); // :D no more javascript!
</script>
</body>
</html>