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http: docs-only deprecation of res.writeHeader()

Doc-only deprecation of the undocumented res.writeHeader() API.
Also makes res.writeHeader an alias of res.writeHead since the
previous implementation simply deferred to that method.

PR-URL: #11355
Reviewed-By: Colin Ihrig <>
Reviewed-By: Rod Vagg <>
Reviewed-By: Sakthipriyan Vairamani <>
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jasnell committed Feb 25, 2017
1 parent d4e1eaf commit fb71ba49212dd21c0404892b4bddc37437bd5397
Showing with 13 additions and 3 deletions.
  1. +11 −0 doc/api/
  2. +2 −3 lib/_http_server.js
@@ -523,6 +523,17 @@ Type: Runtime
of V8 5.8. It is replaced by Inspector which is activated with `--inspect`

<a id="DEP0063"></a>
#### DEP0063: ServerResponse.prototype.writeHeader()

Type: Documentation-only

The `http` module `ServerResponse.prototype.writeHeader()` API has been
deprecated. Please use `ServerResponse.prototype.writeHead()` instead.

*Note*: The `ServerResponse.prototype.writeHeader()` method was never documented
as an officially supported API.

[alloc]: buffer.html#buffer_class_method_buffer_alloc_size_fill_encoding
[alloc_unsafe_size]: buffer.html#buffer_class_method_buffer_allocunsafe_size
[`Buffer.allocUnsafeSlow(size)`]: buffer.html#buffer_class_method_buffer_allocunsafeslow_size
@@ -231,9 +231,8 @@ function writeHead(statusCode, reason, obj) {
this._storeHeader(statusLine, headers);

ServerResponse.prototype.writeHeader = function writeHeader() {
this.writeHead.apply(this, arguments);
// Docs-only deprecated: DEP0063
ServerResponse.prototype.writeHeader = ServerResponse.prototype.writeHead;

function Server(requestListener) {

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