Node v6.0.0 发布，JavaScript 工具包

Node.js v6.0.0 发布了。

该版本主要更新包括部分性能的显著改善，提高了可靠性，可用性，安全性；模块加载比Node.js V4快了近四倍；测试和文档都得到了显著的改善，Buffer 和 File System API 的易用性得到提高；现在的Node.js支持93％的ES6语法，这要归功于V8版本5.0。

主要更新：

Buffer
- New Buffer constructors have been added #4682 and #5833.
- Existing Buffer() and SlowBuffer() constructors have been deprecated in docs #4682 and #5833.
- Previously deprecated Buffer APIs are removed #5048, #4594.
- Improved error handling #4514.
- The Buffer.prototype.lastIndexOf() method has been added #4846.
Cluster
- Worker emitted as first argument in 'message' event #5361.
- The worker.exitedAfterDisconnect property replaces worker.suicide #3743.
Console
- Calling console.timeEnd() with an unknown label now emits a process warning rather than throwing#5901.
Crypto
- Improved error handling #3100, #5611.
- Simplified Certificate class bindings #5382.
- Improved control over FIPS mode #5181.
- pbkdf2 digest overloading is deprecated #4047.
Dependencies
- Reintroduce shared c-ares build support #5775.
- V8 updated to 5.0.71.35 #6372.
DNS
- Add dns.resolvePtr() API to query plain DNS PTR records #4921.
Domains
- Clear stack when no error handler #4659.
Events
- The EventEmitter.prototype._events object no longer inherits from Object.prototype #6092.
- The EventEmitter.prototype.prependListener() andEventEmitter.prototype.prependOnceListener() methods have been added #6032.
File System
- The fs.realpath() and fs.realpathSync() methods have been updated to use a more efficient libuv-based implementation. This change includes the removal of the cache argument and the method can throw new errors #3594.
- FS apis can now accept and return paths as Buffers #5616.
- Error handling and type checking improvements #5616, #5590, #4518, #3917.
- fs.read's string interface is deprecated #4525.
HTTP
- 'clientError' can now be used to return custom errors from an HTTP server #4557.
Modules
- Current directory is now prioritized for local lookups #5689.
- Symbolic links are preserved when requiring modules #5950.
Net
- DNS hints no longer implicitly set #6021.
- Improved error handling and type checking #5981, #5733, #2904.
OS X
- MACOSX_DEPLOYMENT_TARGET has been bumped up to 10.7 #6402.
Path
- Improved type checking #5348.
Process
- Introduce process warnings API #4782.
- Throw exception when non-function passed to nextTick #3860.
Querystring
- The object returned by querystring.parse() no longer inherits from Object.prototype #6055.
Readline
- Key info is emitted unconditionally #6024.
- History can now be explicitly disabled #6352.
REPL
- Assignment to _ will emit a warning #5535.
- Expressions will no longer be completed when eval fails #6328.
Timers
- Fail early when callback is not a function #4362.
Streams
- null is now an invalid chunk to write in object mode #6170.
TLS
- Rename 'clientError' to 'tlsClientError' #4557.
- SHA1 used for sessionIdContext #3866.
TTY
- Previously deprecated setRawMode wrapper is removed #2528.
URL
- Username and password will be dropped by url.resolve() if the host changes #1480.
Util
- Changes to Error object formatting #4582.
- The util._extend() method has been deprecated #4903
- The util.log() method has been deprecated #6161.
Windows
- Windows XP and Vista are no longer supported #5167.
Zlib
- Multiple improvements have been made to Zlib processing #5883 and #5707.

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Node v6.0.0 发布，JavaScript 工具包