现在你可以使用 ws://localhost:9000/连接了,连接客户端在http://www.websocket.org/echo.html 下面开始加入发送消息功能,在node.js增加了一行 / Send a message to the client socket.emit('message', "Hello!"); 在Play框架中,我们创建Enumerato,可以从来自File, InputStream, OutputStream, a Future等来源...
If you find that your build process hangs indefinitely during a JavaScript step, then you likely need to change engines. In this article, you’ll learn how to configure your project to install Node.js and use it to execute your JavaScript optimizations for a Play or Scala pro...
const EventEmitter = require('events').EventEmitter; const AudioDevice = { play: function (track) { console.log('play', track); }, stop: function () { console.log('stop'); }, }; class MusicPlayer extends EventEmitter { constructor() { super(); this.playing = false; } } const musi...
我们使用Playwright模拟登录和搜索,并提取所需信息。所有代码都使用JavaScript编写,并在Node.js环境中运行。Playwright是一个强大的自动化测试工具,也可以用于爬取数据。它易于使用,支持多种浏览器,并提供丰富的API和示例代码。如果您需要爬取网站数据,请考虑使用Playwright。
I must admit my Sock.js adventure didn’t last long after discovering that Sock.js does not support connection query strings. This would mean that I’d need to amend my code so that after clients connect, they’d need to send a seperate message to pass the parameter(s), and this was...
Best practices for Node.js project structure Now, we can delve into what I commonly refer to as the application structure flow, which encompasses a set of rules and common practices aimed at enhancing the Node.js developer experience. The best practices outlined below can serve as a cheat shee...
In a browser tab (Firefox, Chrome, and Edge work best), navigate to http://localhost:1124. This is the browser-based code editor which can also handle stereo audio playback. Copy this command into the code editor in the browser: $('test').sine(100).play(); Move your cursor so it...
A Built-in Test Runner Is Coming to Node and Why You Should Care: new out-of-the-box test runner in Node.js 18! Release Notes for Safari Technology Preview 142: CSS Container Queries! From Static to Interactive: Why Resumability is the Best Alternative to Hydration: interesting model used...
$ mkdir testnpm $ cd testnpm $ npm init -y $ ../cmd/upm/upm add left-pad -l nodejs-npm Using Docker You can use Docker to avoid needing to install the package managers that UPM drives. To do this, run make dev. This will build an image and launch a shell inside the containe...
In order to familiarize ourselves within the codebase, let's play around with some examples of some of the navigation capabilities that VS Code provides:Type CMD+P and enter .js, which lets you see all of the JavaScript/JSON files in the project, along with the directory they're within....