stream: avoid using forEach

PR-URL: https://github.com/nodejs/node/pull/11582
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

lib/_stream_readable.js

@@ -34,6 +34,8 @@ var StringDecoder;
 
 util.inherits(Readable, Stream);
 
+const kProxyEvents = ['error', 'close', 'destroy', 'pause', 'resume'];
+
 function prependListener(emitter, event, fn) {
   // Sadly this is not cacheable as some libraries bundle their own
   // event emitter implementation with them.
@@ -828,10 +830,9 @@ Readable.prototype.wrap = function(stream) {
   }
 
   // proxy certain important events.
-  const events = ['error', 'close', 'destroy', 'pause', 'resume'];
-  events.forEach(function(ev) {
-    stream.on(ev, self.emit.bind(self, ev));
-  });
+  for (var n = 0; n < kProxyEvents.length; n++) {
+    stream.on(kProxyEvents[n], self.emit.bind(self, kProxyEvents[n]));
+  }
 
   // when we try to consume some more bytes, simply unpause the
   // underlying stream.

lib/_stream_wrap.js

@@ -118,9 +118,8 @@ StreamWrap.prototype.doWrite = function doWrite(req, bufs) {
   const item = self._enqueue('write', req);
 
   self.stream.cork();
-  bufs.forEach(function(buf) {
-    self.stream.write(buf, done);
-  });
+  for (var n = 0; n < bufs.length; n++)
+    self.stream.write(bufs[n], done);
   self.stream.uncork();
 
   function done(err) {