From a250ed855e55bf0659ea9cee0b3c9c74e0321389 Mon Sep 17 00:00:00 2001
From: Arunoda Susiripala <arunoda.susiripala@gmail.com>
Date: Wed, 31 Jul 2013 06:58:01 +0530
Subject: [PATCH] fixed callbackOrDummy to play with null

---
 node-phantom.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/node-phantom.js b/node-phantom.js
index 96cb7a8..43ab55e 100644
--- a/node-phantom.js
+++ b/node-phantom.js
@@ -5,9 +5,10 @@ var socketio=require('socket.io');
 var child=require('child_process');
 
 function callbackOrDummy(callback){
-	if(callback===undefined)callback=function(){};
+	if(!callback) callback=function(){};
 	return callback;
 }
+
 function unwrapArray(arr) {
 	return arr && arr.length == 1 ? arr[0] : arr
 }