在这个规范下,每个.js文件都是一个模块,它们内部各自使用的变量名和函数名都互不冲突,例如,hello.js和main.js都申明了全局变量var s = 'xxx',但互不影响。 一个模块想要对外暴露变量(函数也是变量),可以用module.exports = variable;,一个模块要引用其他模块暴露的变量,用var ref = require('module_name');...
Learn what is Vue JS, a powerful and easy-to-learn JavaScript framework for building user interfaces and single-page applications. Read more in this blog.
在v13.2.0版本中, NodeJS同时支持了传统的CommonJS Module与新标准的ECMAScript(ES) Modules (开箱即用!). 这意味着终于能用上在浏览器JS中早已开始使用的import和export了. 此外, 很重要的一点是, 在NodeJS的ES Modules中, JavaScript的strict模式是默认开启的, 因此不需要手动在文件首设置"use strict";. 代...
NodeJs file system module will allow us to do file operations create, read, write, update, delete, rename. In this blog, we will use the fs module to perform file operations. In the fs module, every method has asynchronous as well as synchronous forms. Asynchronous methods take the first ...
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 ...
Node.js is an open-source runtime environment that uses JavaScript and helps in server-side programming. It’s cross platform, so it works on Windows, Linux, Unix and MacOS and it’s used by a lot of popular platforms and companies. It uses asynchronous programming - it’s non-blocking ...
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,有很多非常有才华的人,他们在这方面工作,我们花了很多时间去调整实现,改进工程工效,一个很好的例子是,你现在可以在你的 package.json 中定义 type 为 module,然后项目内后缀为 ....
Node.js v20 includes a stable version of the test_runner module that enables developers to build and runJavaScripttest suites quickly and easily without installing additional dependencies. The stable test runner now includes several building blocks, such asdescribe,it/test, and hooks, for authoring...
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. ...
There is a newDescribe Resourceaction for all resources in theServicesview. You can call it from the context menu or use the toolbar button. SupportEventsin a cluster Ultimate Cluster events are now displayed in a separate node in theServicesview, providing data about recent events in the sys...