title: SyntaxError: Unexpected token function
body: <p>Making a chat application referencing via Node in action, and upon running  the server.js, got the following error: 
      function serveStatic(response,cache,absPath)
      ^^^^^^^^
      SyntaxError: Unexpected token function
          at Object.exports.runInThisContext (vm.js:73:16)
          at Module._compile (module.js:543:28)
          at Object.Module._extensions..js (module.js:580:10)
          at Module.load (module.js:488:32)
          at tryModuleLoad (module.js:447:12)
          at Function.Module._load (module.js:439:3)
          at Module.runMain (module.js:605:10)
          at run (bootstrap_node.js:418:7)
          at startup (bootstrap_node.js:139:9)
          at bootstrap_node.js:533:3</p>
  
  <p>Here is the Server.js code:</p>
  
  <pre><code>var http=require('http');                             
  var fs=require('fs');                                 
  var path=require('path');                                                
  var path= require('mime');                            
  var cache={}; 
  
  
  
  
  var server=http.createServer(function(request,response)
  {
      var filePath=false;
      if(request.url=='/')
      {
        filePath= public/index.html;
      }
      else
      {
        'public' + request.url;
      }
  
      var absPath= './'+filePath;
      serveStatic(response,cache,absPath);
  });
  
  server.listen(3000,function() 
  {
  
   console.log('Server listening to the port :3000');
  
  });
  
  
  
  
  function send404 (response )
  {
      response.writeHead(404,{'Content-Type' :'text/plain'});
      response.write('Error 404: resource not found');
      response.end();
  }
  
  
  
  
  function sendFile(response,filePath,fileContents)
  {
      response.wrieHead(200,
         {"content-type":mime.lookup(filePath)})
  
         };
         response.end(fileContents);
  
  }
  
  
  
  function serveStatic(response,cache,absPath)
  {
      if(cache[absPath])
      {
      sendFile(response,absPath,cache[absPath]);
      }
      else
      {
         if(fs.exists(absPath, function(exists)))
         {
          if(exists)
          {
            fs.readFile(absPath,function(err,data))
            {
            if(err)
  
            {
              send404(response);
            }
            else
            {
              cache[absPath]=data;
              sendFile(response,absPath,data);
            }
            });
  
          }
          else
          {
          send404(response);
          }
         });
      }
  }
  </code></pre>