how to use node js

This article mainly introduces node. fs. futimes method usage instructions. This article introduces fs. futimes method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Changes the timestamp of the file referenced by the file descriptor provided by a file. Change Timestamp Syntax: The Code is as follows: Fs. futimes (fd, atime

This article mainly introduces node. fs. fchown method usage instructions. This article introduces fs. fchown method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Change the File Ownership (file descriptor ). Syntax: The Code is as follows: Fs. fchown (fd, uid, gid, [callback (err)]) Because this method belongs to the fs

This article mainly introduces node. fs. the lchmod method is described in this article. lchmod method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description: Change file permissions (do not parse symbolic links ). Syntax: The Code is as follows: Fs. lchmod (fd, mode, [callback (err)]) Because this method belongs to the fs mo

This article mainly introduces node. fs. the unlink method is described in this article. unlink method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Delete a file. Syntax: The Code is as follows: Fs. unlink (path, [callback (err)]) Because this method belongs to the fs module, we need to introduce the fs module (var fs =

This article mainly introduces node. fs. description of the close method. This article introduces fs. for details about the close method, syntax, parameters, instances, and source code, refer Method description: Close the file asynchronously. Syntax: The Code is as follows: Fs. close (fd, [callback (err)]) Because this method belongs to the fs module, we need to introduce the fs module (var fs = require ("fs") before

This article mainly introduces node. fs. the usage of the chownSync method is described in this article. for more information about chownSync, see Method description: Synchronized version of chown (). Syntax: The Code is as follows: Fs. chownSync (path, uid, gid) Because this method belongs to the fs module, we need to introduce the fs module (var fs = require ("fs") before use ")) Receiving p

This article mainly introduces node. events. emitter. once method usage instructions, this article introduces events. emitter. once method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Registers a single listener for a specified event. Therefore, the listener is triggered only once at most, and the listener is immediately re

This article mainly introduces node. events. eventEmitter. the listenerCount method is described in this document. eventEmitter. listenerCount method description, syntax, use instance and implementation source code. If you need it, refer to the following method description: Returns the number of listeners that have registered a specified event. Syntax: The Code is as follows: EventEmitter. listener

This article mainly introduces node. fs. the createWriteStream method is described in this article. createWriteStream method description, syntax, receiving parameters, use instances, and implementation source code. For more information, see Method description: Returns a WriteStream (output stream) object (writable stream ). Syntax: The Code is as follows: Fs. createWriteStream (path, [options])

This article mainly introduces node. fs. readSync method usage instructions. This article introduces fs. readSync method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Synchronous version of fs. read (). Method returns a bytesRead (number of bytes read) Syntax: The Code is as follows: Fs. readSync (fd, buffer, offset, lengt

This article mainly introduces node. fs. rmdir method usage instructions. This article introduces fs. rmdir method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Delete the file directory asynchronously. Syntax: The Code is as follows: Fs. rmdir (path, [callback (err)]) Because this method belongs to the fs module, we need

This article mainly introduces node. fs. the lchmodSync method is described in this article. lchmodSync method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description: Synchronous version of lchmod (). Syntax: The Code is as follows: Fs. lchmodSync (fd, mode) Because this method belongs to the fs module, we need to introduce t

This article mainly introduces node. fs. fsyncSync method usage instructions. This article introduces fs. fsyncSync method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description: Synchronous version of fsync (). Synchronize disk cache. Syntax: The Code is as follows: Fs. fsyncSync (fd) Because this method belongs to

This article mainly introduces node. fs. the truncate method is described in this article. methods, syntax, parameters, instances, and source code for truncate. For more information, see Method description: File Content truncation. Syntax: The Code is as follows: Fs. truncate (path, len, [callback (err)]) Because this method belongs to the fs module, we need to introduce the fs module (var fs = require ("fs") before

This article mainly introduces node. http. response. the removeHeader method is described in this document. response. removeHeader method description, syntax, receiving parameters, use instances, and implementation source code. For more information, see Method description: Remove the header waiting for implicit sending. Syntax: The Code is as follows: Response. removeHeader (name) Receiving par

This article mainly introduces node. http. response. the writeHead method is described in this article. response. writeHead method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description: Sends a response header to the requested client. This function can be called at most once in a request. If this function is not called, a r

This article mainly introduces node. querystring. description of the parse method. This document describes querystring. parse method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Converts a string to an object. To put it bluntly, the parameter string on the url is converted into an array object. (See the example) Syntax: T

This article mainly introduces Node. in js, the event transmitter mode is used to implement event binding. This article also explains the basic knowledge of callback mode, transmitter mode, and event type. For more information, see Node, many objects launch events. For example, a TCP server will launch a "connect" event whenever a client requests a connection. Fo

The main content of the previous article stresses the use of CC ++ to implement Node. js module, This article further explores this issue. If you need it, you can refer to the warm-up to learn about it. Remember this V8 online manual-http://izs.me/v8-docs/main.html. Remember the last building. gyp file? The Code is as follows: {"Targets ":[{"Target_name": "addo

Use the n tool to easily manage the Node. js version and the n tool node. js version. Preface I believe that for learning Node. as all js colleagues know, the