companies use node js in production

This article mainly introduces node. console in js. this document describes how to use the warn method. warn method description, syntax, receive parameters, use instances and implementation source code. For more information, see Method description: This method is the same as console. error. You can see the source c

This article mainly introduces node. buffer in js. description of the write method. This article introduces the buffer. write method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Write string into the buffer offset using the specified encoding. Returns the number of octal bytes wr

This article mainly introduces node. url in js. description of the parse method. This article describes the url. parse method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Converts a URL string to an object and returns it. Syntax: The Code is as follows: Url. parse (urlStr, [par

This article mainly introduces node. url in js. the format method is described in this document. format method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Convert a parsed URL object into a formatted URL string. Syntax: The Code is as follows: Url. format (urlObj) Receiving p

This article mainly introduces node. fs. description of the writeFileSync method. This article introduces fs. writeFileSync method description, syntax, receiving parameters, use instances, and implementation source code. For more information, see Method description: Synchronous version of fs. writeFile (). Syntax: The Code is as follows: Fs. writeFileSync (filename, data, [options]) Because this method

This article mainly introduces node. http. response. the setHeader method is described in this document. response. setHeader method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Set header file information. If the information to be sent already contains the header file, the value of the header file will be rewritten afte

This article mainly introduces node. fs. description of the write method. This article introduces the fs. write method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Writing a file (based on the file descriptor) is similar to fs. writeFile (), but this method provides more underlying operations. We recommend that you

This article mainly introduces node. fs. description of the open method. This article introduces fs. open Method description, syntax, receive parameters, use instances, and implement source code. For more information, see Method description: Open the file asynchronously. In the POSIX system, path is considered to exist by default (even if the file in this path does not exist) The flag ID may or may not run

This article mainly introduces node. fs. readdirSync method usage instructions. This article introduces fs. readdirSync method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: The synchronous version of fs. readdir (). The method returns an array object containing "names of all objects in the specified directory. Syntax:

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

This article mainly introduces node. fs. exists method usage instructions. This article introduces fs. exists method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Test whether a file in a path exists. The callback function contains an exists parameter. If the value is true, the object exists. Otherwise, the value is false. S

This article mainly introduces node. fs. mkdir method usage instructions. This article introduces fs. mkdir method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Create a file directory asynchronously. If the directory already exists, an exception is thrown. Syntax: The Code is as follows: Fs. mkdir (path, [mode], [callback

This article mainly introduces node. fs. description of the read method. This article introduces the fs. read method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: Reads file data based on the specified file descriptor fd and writes it to the buffer object pointed to by the buffer. Compared with readFile, it provides a more u

This article mainly introduces node. fs. the lchownSync method is described in this article. lchownSync method description, syntax, receiving parameters, use instances, and implementation source code. For more information, see Method description: Synchronous version of lchown (). Syntax: The Code is as follows: Fs. lchownSync (path, uid, gid) Because this method belongs to the fs module, we nee

This article mainly introduces node. fs. statSync method usage instructions. This article introduces fs. statSync method description, syntax, receive parameters, use instances, and implement Source Code. For more information, see Method description: The stat () of the synchronous version (). Method to return an stat array object that contains the following information: (The following information is the fil

This article mainly introduces node. fs. the usage of the truncateSync method is described in this article. truncateSync method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description: Truncate () of the synchronous version. Syntax: The Code is as follows: Fs. truncateSync (path, len) Because this method belongs to the fs modu

This article mainly introduces how to use socket in node. for more information about how to create a namespace for I/O, see. If a developer wants to completely control the sending of messages and events in a specific application, you only need to use a default "/" namespace. however, if developers need to provide applications to other applications as third-party

This article mainly introduces node. fs. description of writeSync method. This article introduces fs. writeSync method description, syntax, receiving parameters, use instances and implementation source code. For more information, see Method description: Synchronous version of fs. write (). Write a file (based on the file descriptor ). Syntax: The Code is as follows: Fs. writeSync (fd, buffer, offset, len

This article mainly introduces node. fs. the appendFile method is described in this article. appendFile method description, syntax, receive parameters, use instances, and implement source code. For more information, see Method description: This method inserts data into a file asynchronously. if the file does not exist, it is automatically created. Data can be any string or cache. Syntax: The code is as f

This article mainly introduces node. fs. futimes method usage instructions. This article introduces fs. futimesSync method description, syntax, receiving parameters, use instances, and implementation 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