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NODE

Section: Node.js (1)
Updated: 2016
Index Return to Main Contents

 

NAME

node - Server-side JavaScript runtime

 

SYNOPSIS

node [options] [v8 options] [script.js | -e script ] [arguments]
node debug [script.js | -e script  | <host>:<port>] ...
node [--v8-options]

Execute without arguments to start the REPL.

 

DESCRIPTION

Node.js is a set of libraries for JavaScript which allows it to be used outside of the browser. It is primarily focused on creating simple, easy to build network clients and servers.

 

OPTIONS

-v, --version
Print node's version.

-h, --help
Print node command line options. The output of this option is less detailed than this document.

-e, --eval script
Evaluate the following argument as JavaScript.

-p, --print script
Identical to -e but prints the result.

-c, --check
Syntax check the script without executing.

-i, --interactive
Open the REPL even if stdin does not appear to be a terminal.

-r, --require module
Preload the specified module at startup. Follows `require()`'s module resolution rules. module may be either a path to a file, or a node module name.

--no-deprecation
Silence deprecation warnings.

--trace-deprecation
Print stack traces for deprecations.

--throw-deprecation
Throw errors for deprecations.

--no-warnings
Silence all process warnings (including deprecations).

--trace-warnings
Print stack traces for process warnings (including deprecations).

--trace-sync-io
Print a stack trace whenever synchronous I/O is detected after the first turn of the event loop.

--zero-fill-buffers
Automatically zero-fills all newly allocated Buffer and SlowBuffer instances.

--preserve-symlinks
Instructs the module loader to preserve symbolic links when resolving and caching modules.

--track-heap-objects
Track heap object allocations for heap snapshots.

--prof-process
Process v8 profiler output generated using the v8 option --prof

--v8-options
Print v8 command line options.

Note: v8 options allow words to be separated by both dashes (-) or underscores (_).

For example, --stack-trace-limit is equivalent to --stack_trace_limit

--v8-pool-size=num
Set v8's thread pool size which will be used to allocate background jobs. If set to 0 then v8 will choose an appropriate size of the thread pool based on the number of online processors. If the value provided is larger than v8's max then the largest value will be chosen.

--tls-cipher-list=list
Specify an alternative default TLS cipher list. (Requires Node.js to be built with crypto support. (Default))

--enable-fips
Enable FIPS-compliant crypto at startup. (Requires Node.js to be built with ./configure --openssl-fips)

--force-fips
Force FIPS-compliant crypto on startup. (Cannot be disabled from script code.) (Same requirements as --enable-fips)

--openssl-config=file
Load an OpenSSL configuration file on startup. Among other uses, this can be used to enable FIPS-compliant crypto if Node.js is built with ./configure --openssl-fips.

--icu-data-dir=file
Specify ICU data load path. (overrides NODE_ICU_DATA)

 

ENVIRONMENT VARIABLES

NODE_DEBUG=module[,...]
','-separated list of core modules that should print debug information.

NODE_PATH=path[:...]
':'-separated list of directories prefixed to the module search path.

NODE_DISABLE_COLORS=1
When set to 1 colors will not be used in the REPL.

NODE_ICU_DATA=file
Data path for ICU (Intl object) data. Will extend linked-in data when compiled with small-icu support.

NODE_REPL_HISTORY=file
Path to the file used to store the persistent REPL history. The default path is ~/.node_repl_history, which is overridden by this variable. Setting the value to an empty string ("" or " ") disables persistent REPL history.

NODE_TTY_UNSAFE_ASYNC=1
When set to 1, writes to stdout and stderr will be non-blocking and asynchronous when outputting to a TTY on platforms which support async stdio. Setting this will void any guarantee that stdio will not be interleaved or dropped at program exit. Avoid use.

 

BUGS

Bugs are tracked in GitHub Issues: https://github.com/nodejs/node/issues

 

AUTHORS

Written and maintained by 1000+ contributors: https://github.com/nodejs/node/blob/master/AUTHORS

 

COPYRIGHT

Copyright Node.js contributors. Node.js is available under the MIT license.

Node.js also includes external libraries that are available under a variety of licenses. See https://github.com/nodejs/node/blob/master/LICENSE for the full license text.

 

RESOURCES AND DOCUMENTATION

Website: https://nodejs.org/

Documentation: https://nodejs.org/api/

GitHub repository & Issue Tracker: https://github.com/nodejs/node

Mailing list: http://groups.google.com/group/nodejs

IRC (general questions): chat.freenode.net #node.js (unofficial)

IRC (Node.js core development): chat.freenode.net #node-dev


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
ENVIRONMENT VARIABLES
BUGS
AUTHORS
COPYRIGHT
RESOURCES AND DOCUMENTATION


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