1 files changed, 9 insertions, 9 deletions

diff --git a/lib/dgram.js b/lib/dgram.js
index 7f279980cf..1ac5c27c38 100644
--- a/lib/dgram.js
+++ b/lib/dgram.js
@@ -91,7 +91,7 @@ function newHandle(type) {
 
 exports._createSocketHandle = function(address, port, addressType, fd) {
   // Opening an existing fd is not supported for UDP handles.
-  assert(typeof fd !== 'number' || fd < 0);
+  assert(!IS_NUMBER(fd) || fd < 0);
 
   var handle = newHandle(addressType);
 
@@ -119,7 +119,7 @@ function Socket(type, listener) {
   this.type = type;
   this.fd = null; // compatibility hack
 
-  if (typeof listener === 'function')
+  if (IS_FUNCTION(listener))
     this.on('message', listener);
 }
 util.inherits(Socket, events.EventEmitter);
@@ -165,7 +165,7 @@ Socket.prototype.bind = function(/*port, address, callback*/) {
 
   this._bindState = BIND_STATE_BINDING;
 
-  if (typeof arguments[arguments.length - 1] === 'function')
+  if (IS_FUNCTION(arguments[arguments.length - 1]))
     self.once('listening', arguments[arguments.length - 1]);
 
   var UDP = process.binding('udp_wrap').UDP;
@@ -177,7 +177,7 @@ Socket.prototype.bind = function(/*port, address, callback*/) {
 
   var port = arguments[0];
   var address = arguments[1];
-  if (typeof address === 'function') address = '';  // a.k.a. "any address"
+  if (IS_FUNCTION(address)) address = '';  // a.k.a. "any address"
 
   // resolve address first
   self._handle.lookup(address, function(err, ip) {
@@ -225,10 +225,10 @@ Socket.prototype.sendto = function(buffer,
                                    port,
                                    address,
                                    callback) {
-  if (typeof offset !== 'number' || typeof length !== 'number')
+  if (!IS_NUMBER(offset) || !IS_NUMBER(length))
     throw new Error('send takes offset and length as args 2 and 3');
 
-  if (typeof address !== 'string')
+  if (!IS_STRING(address))
     throw new Error(this.type + ' sockets must send to port, address');
 
   this.send(buffer, offset, length, port, address, callback);
@@ -243,7 +243,7 @@ Socket.prototype.send = function(buffer,
                                  callback) {
   var self = this;
 
-  if (!Buffer.isBuffer(buffer))
+  if (!IS_BUFFER(buffer))
     throw new TypeError('First argument must be a buffer object.');
 
   if (offset >= buffer.length)
@@ -335,7 +335,7 @@ Socket.prototype.setBroadcast = function(arg) {
 
 
 Socket.prototype.setTTL = function(arg) {
-  if (typeof arg !== 'number') {
+  if (!IS_NUMBER(arg)) {
     throw new TypeError('Argument must be a number');
   }
 
@@ -349,7 +349,7 @@ Socket.prototype.setTTL = function(arg) {
 
 
 Socket.prototype.setMulticastTTL = function(arg) {
-  if (typeof arg !== 'number') {
+  if (!IS_NUMBER(arg)) {
     throw new TypeError('Argument must be a number');
   }