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* Assert * Calling `assert.fail()` with more than one argument is deprecated. #70dcacd710 * Calling `assert.ok()` with no arguments will now throw. #3cd7977a42 * Calling `assert.ifError()` will now throw with any argument other than `undefined` or `null`. Previously the method would throw with any truthy value. #e65a6e81ef * The `assert.rejects()` and `assert.doesNotReject()` methods have been added for working with async functions. #599337f43e * Async_hooks * Older experimental async_hooks APIs have been removed. #1cc6b993b9 * Buffer * Uses of `new Buffer()` and `Buffer()` outside of the `node_modules` directory will now emit a runtime deprecation warning. #9d4ab90117 * `Buffer.isEncoding()` now returns `undefined` for falsy values, including an empty string. #452eed956e * `Buffer.fill()` will throw if an attempt is made to fill with an empty `Buffer`. #1e802539b2 * Child Process * Undefined properties of env are ignored. #38ee25e2e2, #85739b6c5b * Console * The `console.table()` method has been added. #97ace04492 * Crypto * The `crypto.createCipher()` and `crypto.createDecipher()` methods have been deprecated. Please use `crypto.createCipheriv()` and `crypto.createDecipheriv()` instead. #81f88e30dd * The `decipher.finaltol()` method has been deprecated. #19f3927d92 * The `crypto.DEFAULT_ENCODING` property has been deprecated. #6035beea93 * The `ECDH.convertKey()` method has been added. #f2e02883e7 * The `crypto.fips` property has been deprecated. #6e7992e8b8 * Dependencies * V8 has been updated to 6.6. #9daebb48d6 * OpenSSL has been updated to 1.1.0h. #66cb29e646 * EventEmitter * The `EventEmitter.prototype.off()` method has been added as an alias for `EventEmitter.prototype.removeListener()`. #3bb6f07d52 * File System * The `fs.promises` API provides experimental promisified versions of the `fs` functions. #329fc78e49 * Invalid path errors are now thrown synchronously. #d8f73385e2 * The `fs.readFile()` method now partitions reads to avoid thread pool exhaustion. #67a4ce1c6e * HTTP * Processing of HTTP Status codes `100`, `102-199` has been improved. #baf8495078 * Multi-byte characters in URL paths are now forbidden. #b961d9fd83 * N-API * The n-api is no longer experimental. #cd7d7b15c1 * Net * The `'close'` event will be emitted after `'end'`. #9b7a6914a7 * Perf_hooks * The `PerformanceObserver` class is now an `AsyncResource` and can be monitored using `async_hooks`. #009e41826f * Trace events are now emitted for performance events. #9e509b622b * The `performance` API has been simplified. #2ec6995555 * Performance milestone marks will be emitted as trace events. #96cb4fb795 * Process * Using non-string values for `process.env` is deprecated. #5826fe4e79 * The `process.assert()` method is deprecated. #703e37cf3f * REPL * REPL now experimentally supports top-level await when using the `--experimental-repl-await` flag. #eeab7bc068 * The previously deprecated "magic mode" has been removed. #4893f70d12 * The previously deprecated `NODE_REPL_HISTORY_FILE` environment variable has been removed. #60c9ad7979 * Proxy objects are shown as Proxy objects when inspected. #90a43906ab * Streams * The `'readable'` event is now always deferred with nextTick. #1e0f3315c7 * A new `pipeline()` method has been provided for building end-to-data stream pipelines. #a5cf3feaf1 * Experimental support for async for-await has been added to `stream.Readable`. #61b4d60c5d * Timers * The `enroll()` and `unenroll()` methods have been deprecated. #68783ae0b8 * TLS * The `tls.convertNONProtocols()` method has been deprecated. #9204a0db6e * Support for NPN (next protocol negotiation) has been dropped. #5bfbe5ceae * The `ecdhCurve` default is now `'auto'`. #af78840b19 * Trace Events * A new `trace_events` top-level module allows trace event categories to be enabled/disabld at runtime. #da5d818a54 * URL * The WHATWG URL API is now a global. #312414662b * Util * `util.types.is[…]` type checks have been added. #b20af8088a * Support for bigint formatting has been added to `util.inspect()`. #39dc947409
178 lines
3.7 KiB
Markdown
178 lines
3.7 KiB
Markdown
# Global Objects
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<!--introduced_in=v0.10.0-->
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<!-- type=misc -->
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These objects are available in all modules. The following variables may appear
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to be global but are not. They exist only in the scope of modules, see the
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[module system documentation][]:
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- [`__dirname`][]
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- [`__filename`][]
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- [`exports`][]
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- [`module`][]
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- [`require()`][]
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The objects listed here are specific to Node.js. There are a number of
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[built-in objects][] that are part of the JavaScript language itself, which are
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also globally accessible.
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## Class: Buffer
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<!-- YAML
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added: v0.1.103
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-->
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<!-- type=global -->
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* {Function}
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Used to handle binary data. See the [buffer section][].
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## \_\_dirname
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This variable may appear to be global but is not. See [`__dirname`].
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## \_\_filename
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This variable may appear to be global but is not. See [`__filename`].
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## clearImmediate(immediateObject)
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<!-- YAML
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added: v0.9.1
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-->
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<!--type=global-->
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[`clearImmediate`] is described in the [timers][] section.
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## clearInterval(intervalObject)
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<!-- YAML
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added: v0.0.1
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-->
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<!--type=global-->
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[`clearInterval`] is described in the [timers][] section.
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## clearTimeout(timeoutObject)
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<!-- YAML
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added: v0.0.1
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-->
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<!--type=global-->
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[`clearTimeout`] is described in the [timers][] section.
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## console
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<!-- YAML
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added: v0.1.100
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-->
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<!-- type=global -->
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* {Object}
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Used to print to stdout and stderr. See the [`console`][] section.
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## exports
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This variable may appear to be global but is not. See [`exports`].
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## global
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<!-- YAML
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added: v0.1.27
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-->
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<!-- type=global -->
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* {Object} The global namespace object.
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In browsers, the top-level scope is the global scope. This means that
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within the browser `var something` will define a new global variable. In
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Node.js this is different. The top-level scope is not the global scope;
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`var something` inside a Node.js module will be local to that module.
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## module
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This variable may appear to be global but is not. See [`module`].
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## process
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<!-- YAML
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added: v0.1.7
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-->
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<!-- type=global -->
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* {Object}
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The process object. See the [`process` object][] section.
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## require()
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This variable may appear to be global but is not. See [`require()`].
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## setImmediate(callback[, ...args])
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<!-- YAML
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added: v0.9.1
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-->
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<!-- type=global -->
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[`setImmediate`] is described in the [timers][] section.
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## setInterval(callback, delay[, ...args])
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<!-- YAML
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added: v0.0.1
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-->
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<!-- type=global -->
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[`setInterval`] is described in the [timers][] section.
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## setTimeout(callback, delay[, ...args])
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<!-- YAML
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added: v0.0.1
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-->
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<!-- type=global -->
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[`setTimeout`] is described in the [timers][] section.
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## URL
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<!-- YAML
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added: v10.0.0
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-->
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<!-- type=global -->
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The WHATWG `URL` class. See the [`URL`][] section.
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## URLSearchParams
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<!-- YAML
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added: v10.0.0
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-->
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<!-- type=global -->
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The WHATWG `URLSearchParams` class. See the [`URLSearchParams`][] section.
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[`__dirname`]: modules.html#modules_dirname
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[`__filename`]: modules.html#modules_filename
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[`clearImmediate`]: timers.html#timers_clearimmediate_immediate
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[`clearInterval`]: timers.html#timers_clearinterval_timeout
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[`clearTimeout`]: timers.html#timers_cleartimeout_timeout
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[`console`]: console.html
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[`exports`]: modules.html#modules_exports
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[`module`]: modules.html#modules_module
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[`process` object]: process.html#process_process
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[`require()`]: modules.html#modules_require
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[`setImmediate`]: timers.html#timers_setimmediate_callback_args
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[`setInterval`]: timers.html#timers_setinterval_callback_delay_args
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[`setTimeout`]: timers.html#timers_settimeout_callback_delay_args
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[`URL`]: url.html#url_class_url
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[`URLSearchParams`]: url.html#url_class_urlsearchparams
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[buffer section]: buffer.html
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[built-in objects]: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects
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[module system documentation]: modules.html
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[timers]: timers.html
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