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  • What is a global package in node

    What is a global package in node

    In node, the global package refers to the tool package used to install local packages in the project, such as nrm, yarn, cnpm, etc.; the software package is a library included in the program and must be installed in every project that uses the software pa
    2022-07-18
  • Does socketio have to be used in node?

    Does socketio have to be used in node?

    Socketio must be used in node; socketio is a library of nodejs. It uses nodejs functions to encapsulate some functions and relies on some nodejs APIs, so it can only be used in nodejs. Socketio is also established between the client and the server. Two-wa
    2022-07-18
  • Can node be downgraded?

    Can node be downgraded?

    The node version cannot be downgraded directly, but you can uninstall the higher version and use the nvm version controller to reinstall the lower version of node to downgrade. Downgrade method: 1. Use "npm instlal -gn" to globally install the n
    2022-07-18
  • What to do if the node.dll file is missing

    What to do if the node.dll file is missing

    Solution: 1. Download the specified "node.dll" file locally, and copy the downloaded file to the "C:\Windows\System32" directory or "C:\Windows\SysWOW64" directory; 2. Press "Win+ R" to open the run, and enter &quot
    2022-07-15
  • What is the difference between node version 14 and 10

    What is the difference between node version 14 and 10

    The difference between node versions 14 and 10: 1. Version 10 stops using the V8 engine in Chromium and uses version 6.6 of V8, while the V8 used in version 14 has been upgraded to version 8.1; 2. Version 14 can directly use "ES Modules" and doe
    2022-07-15
  • What is npm in node environment

    What is npm in node environment

    npm in the node environment is the default package management and distribution tool; the full name of npm is "Node Package Manager", which has become an unofficial standard for publishing node modules. npm allows users to download third-party pa
    2022-07-15
  • What does node-sass do?

    What does node-sass do?

    "node-sass" is a library used to bind "node.js" into LibSass; LibSass is the C version of the popular stylesheet preprocessor sass, and "node-sass" allows users to localize ".scss" files Compiled to css and can be a
    2022-07-15
  • Whether node contains dom and bom

    Whether node contains dom and bom

    Node does not contain dom and bom; bom refers to the browser object model, bom refers to the document object model, and node uses ecmascript for encoding, and there is no browser or document. It is an environment platform where JavaScript runs on the back
    2022-07-15
  • How to determine if an element has child elements in jquery

    How to determine if an element has child elements in jquery

    Determination steps: 1. Use children() to obtain all direct subset elements of the specified element. The syntax "specified element object.children();" will return a jquery object containing subset elements; 2. Use the length attribute to count
    2022-07-15
  • What is the asynchronous mechanism of node based on?

    What is the asynchronous mechanism of node based on?

    The asynchronous mechanism of node is based on "events". All I/O, network communication, and database queries are executed in a non-blocking manner, and the returned results are processed by the event loop. Node will only process one event at th
    2022-07-14
  • Which is the global object of node?

    Which is the global object of node?

    The global object of node is "global". The most fundamental role of global is to serve as the host of global variables; and all global variables (except global itself) are attributes of the global object. Global properties can be accessed direct
    2022-07-14
  • What are the node.js background frameworks?

    What are the node.js background frameworks?

    The node background framework includes: 1. Koa, an open source Node web framework that uses Generator to implement middleware process control and try/catch to enhance exception handling; 2. Nest, an open source Node server used to build efficient and scal
    2022-07-14
  • In-depth understanding of task scheduling algorithms in React

    In-depth understanding of task scheduling algorithms in React

    This article will teach you about React and give you an in-depth understanding of the task scheduling algorithm in React. I hope it will be helpful to you!
    2022-07-14
  • Summary of common Number objects in JavaScript

    Summary of common Number objects in JavaScript

    This article brings you relevant knowledge about javascript, which mainly sorts out the issues related to the Number object. The Number object is a packaging object of the original value. The Number creation method is new Number(). Let’s take a look at it
    2022-07-14
  • What is a closure? Let’s talk about closures in JavaScript and see what functions they have?

    What is a closure? Let’s talk about closures in JavaScript and see what functions they have?

    What is a closure? See what closures do? The following article will talk about closures in JavaScript. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to everyone.
    2022-07-13
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