Node.js is an open-source JavaScript runtime environment that allows developers to execute JavaScript code for server-side scripting and scalable network applications.
varhttp =require('http'); http.createServer(function(request, response) {// 发送 HTTP 头部// HTTP 状态值: 200 : OK// 内容类型: text/plainresponse.writeHead(200, {'Content-Type':'text/plain'});// 发送响应数据 "Hello World"response.end('Hello World\n'); }).listen(8888);// 终端打...
Express JS is a Node.js web framework for building scalable and efficient web applications. Learn what and why Express JS, its features, installation, and more.
consthttp=require("http");consthostname="127.0.0.1";constport=8090;constserver=http.createServer((req,res)=>{res.setHeader("Access-Control-Allow-Origin","*");res.end("Hello Zaking World!This is Node");});server.listen(port,hostname,()=>{console.log(`Server running at http://${host...
Node.js is a powerful tool To sum it up, Node.js can be a powerfultoolif in the right hands. You can use it to createdynamic web pagecontent, performserver-side scripting, createback-endapplications, developchatbots, and even build neural networks. ...
Node.js 15 ships with theTimers Promises APIwhich has a promisified version ofsetTimeout: const{setTimeout}=require('timers/promises');console.log('Starting async operation..');awaitsetTimeout(1000);console.log('Async done!'); This feature is in the experimental stage. ...
What's New in 5.0 Important Breaking Changes in v5.0 Version 5.0 of the Node.js driver is not compatible with Node.js v12 or earlier. If you want to use this version of the driver, You must use Node.js v14.20.1 or greater. This release removes support for callbacks in favor of ...
也可以使用NodeJS中的动态import()方法来引入WebAssembly Module 代码语言:javascript 代码运行次数:0 运行 AI代码解释 'use strict';constfs=require('fs');(async()=>{constimageUtils=awaitimport('./imageUtils.wasm');constimage=awaitfs.promises.readFile('./image.png');constupdatedImage=awaitimageUtils...
// server.js const http = require('http'); const hostname = '127.0.0.1'; const port = 3000; const server = http.createServer((req, res) => { res.statusCode = 200; res.setHeader('Content-Type', 'text/plain'); res.end('Hello World! Welcome to Node.js'); }); server.listen(...
比如我们通过 module.exports 导出一个函数,然后通过 require 来获取 exports。但是 ES import 改变了非常多基础的定义,比如 CommonJS 中导入是同步的,ES6 中导入是异步的。这些事情给 Node.js 带来非常大的挑战性。这就是为什么我们花了大量的时间给 Node.js 实现这个特性。我们有一个很棒的模块工作组,有很多非...