Trouble with javascript and bootstrap

<div class="navbar navbar-inverse navbar-fixed-top navbar-wrapper" role="navigation" id="bar-1">
 <div class="container">
  <div class="navbar-header">
    <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".collapse">
      <span class="sr-only">Toggle navigation</span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
      <span class="icon-bar"></span>
    </button>
    <a class="navbar-brand" href="index.html">Project</a>
  </div>
  <div class="collapse navbar-collapse">
    <ul class="nav navbar-nav navbar-left">
      <li class="active"><a href="index.html">Home</a></li>
      <li><a href="#about">Current Courses</a></li>
      <li class="dropdown">
      <a href="#" class="dropdown-toggle" data-toggle="dropdown">Projects<b class="caret"></b></a>
      <ul class="dropdown-menu">
       <li><a href="#" id="sudoku1">Sudoku</a></li>
       <li><a href="#" id="huffman">Huffman</a></li>
       <li><a href="#" id="spantree">Spantree</a></li>
       <li><a href="#" id="calendar">Calendar</a></li>
       <li><a href="#" id="snake">Snake</a></li>
       </ul>
      </li>
      <li><a href="#Resume">Resume</a></li>
        <li><a href="#contact" data-toggle="modal">Contact</a></li>
      </ul>
  </div><!--/.nav-collapse -->
 </div>
</div>

$('#snake').click(function(){alert("Works!");});