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How to use await in nodejs

In nodejs, await is used to pause execution in a non-blocking manner, waiting for a promise's asynchronous request, and waiting for the asynchronous method to complete execution; await can be used in async functions to wait for the return value of an async function; promise returns If the rejection is unsuccessful, the rejection value will be thrown and can be captured by "try/catch".

Jun 29, 2022 pm 03:54 PM

nodejs

What is routing in nodejs

In nodejs, routing refers to the mapping relationship between url address and response function; a url address responds to an html page, which is to extract the business of a path matching relationship into a separate js file. The syntax for creating a route is " let router = express.Router();".

Jun 29, 2022 pm 03:35 PM

nodejs

What does lts mean in nodejs

In nodejs, lts means long-term support and is the abbreviation of "Long Time Support"; Node has two release process lines, odd version and even version. When an odd version is released, the latest even version will immediately enter LTS maintenance. The plan lasts for 18 months, and will be followed by a 12-month extended maintenance period, during which "bug fix" changes can be supported.

Jun 29, 2022 pm 03:30 PM

nodejs

Can npm be used in react?

npm can be used in react; you can use npm to install, share, distribute code, and manage project dependencies. npm refers to "node package manager", often called the node package manager, which is the default for nodejs and uses JavaScript. Written software package management system.

Jun 27, 2022 pm 04:36 PM

React

Node practical development of a mycli command line tool

This article will give you a step-by-step guide on how to use node in practice, and talk about how to make a mycli command line tool/scaffolding based on node. I hope it will be helpful to you!

Jun 06, 2022 pm 06:58 PM

nodejsNode.jsnode

What are asynchronous resources? A brief analysis of Node's method of realizing asynchronous resource context sharing

How does Node.js implement asynchronous resource context sharing? The following article will introduce to you how Node implements asynchronous resource context sharing. Let’s talk about the use of asynchronous resource context sharing for us. I hope it will be helpful to everyone!

May 31, 2022 pm 12:56 PM

nodejsnodeNode.js

New developments in the web platform that developers can't miss in 2022

On May 11-12, Google held the 2022 Google I/O Global Developer Conference. At the conference, Jake Archibald and Una Kravet updated us on the latest developments in web platforms. Let’s take a look at what’s new in the web platform in 2022

May 25, 2022 pm 12:05 PM

web

A brief analysis of Buffer in Node.js and a talk about the event loop

This article will take you through Buffer in Node.js and talk about the browser event loop. I hope it will be helpful to you!

May 18, 2022 pm 08:30 PM

Node.jsnodenodejs

12306 ticket grabbing, thoughts brought about by extreme concurrency!

The author has specifically studied the server architecture of "12306" and learned many highlights of its system design. Here I will share with you and simulate an example: how to provide normal service when 1 million people are grabbing 10,000 train tickets at the same time. , stable service.

May 13, 2022 am 10:05 AM

高并发12306抢票

What are the official docker images?

The official docker images include: 1. nginx, a high-performance HTTP and reverse proxy service; 2. alpine, a lightweight Linux distribution for security applications; 3. busybox, which integrates more than 300 commonly used Linux commands and tool software; 4. ubuntu; 5. PHP, etc.

May 12, 2022 pm 02:23 PM

Docker

An in-depth analysis of common built-in modules in Node.js

This article will take you through the common built-in modules (path, file system, Events) in Node.js. I hope it will be helpful to you!

May 10, 2022 pm 09:17 PM

nodejsNode.jsnode

What are the PHP environment building tools?

PHP environment building tools include: 1. phpStudy, which is a program integration package for PHP debugging environment; 2. WampServer, which is an integrated software package of server, PHP interpreter and MySQL database; 3. XAMPP, which is an integrated software package for website building. ; 4. Pagoda Panel is a server management software.

May 10, 2022 pm 08:21 PM

php

Let's talk in depth about EventEmitter in node.js

This article will take you through the EventEmitter in node, and briefly talk about asynchronous operations, error events, and the EventEmitter class. I hope it will be helpful to you!

May 09, 2022 pm 09:28 PM

Node.jsnodejsnode

What is a stream? How to understand streams in Nodejs

What is a stream? How to understand flow? The following article will give you an in-depth understanding of streams in Nodejs. I hope it will be helpful to you!

May 06, 2022 pm 07:27 PM

nodejsnodeNode.js