lib/js/websocketio.js in sinatra-websocketio-0.2.2 vs lib/js/websocketio.js in sinatra-websocketio-0.2.3

@@ -12,15 +12,15 @@
     self.session = session_id;
     self.emit("connect", self.session);
   });
 
   this.connect = function(){
-    if(typeof WebSocket === 'undefined'){
+    if(typeof WebSocket !== "function"){
       self.emit("error", "websocket not exists in this browser");
       return null;
     }
     self.running = true;
-    var url = self.session ? self.url+'/session='+self.session : self.url;
+    var url = self.session ? self.url+"/session="+self.session : self.url;
     self.websocket = new WebSocket(url);
     self.websocket.onmessage = function(e){
       try{
         var data_ = JSON.parse(e.data);
         self.emit(data_.type, data_.data);