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如何通过npm地址查看包的发布日期？

在如今快速发展的软件开发领域，npm（Node Package Manager）已经成为了一个不可或缺的工具。通过npm，开发者可以轻松地管理他们的JavaScript项目依赖。但是，你是否曾好奇过某个npm包的发布日期呢？本文将为你详细介绍如何通过npm地址查看包的发布日期，让你在依赖管理上更加得心应手。

一、什么是npm？

npm是一个用于管理JavaScript项目依赖的工具，它允许开发者通过简单的命令行操作来安装、更新、卸载和查看项目依赖。npm仓库包含了大量的JavaScript库和工具，使得开发者可以轻松地构建各种项目。

二、如何通过npm地址查看包的发布日期？

  1. 使用npm view命令

在命令行中，输入以下命令：

npm view  version

其中， 是你要查看发布日期的npm包名。例如，查看express包的发布日期，你可以输入：

npm view express version

执行命令后，你会看到类似以下的结果：

{

  "name": "express",

  "version": "4.17.1",

  "description": "Fast, unopinionated, minimalist web framework for Node.js",

  "main": "index.js",

  "scripts": {

    "test": "echo \"Error: no test specified\" && exit 1"

  },

  "repository": {

    "type": "git",

    "url": "git+https://github.com/expressjs/express.git"

  },

  "keywords": [

    "web",

    "application",

    "frame",

    "http",

    "rest",

    "json"

  ],

  "author": "TJ Holowaychuk ",

  "license": "MIT",

  "bugs": {

    "url": "https://github.com/expressjs/express/issues"

  },

  "homepage": "https://expressjs.com/",

  "dependencies": {},

  "devDependencies": {},

  "engines": {

    "node": ">=6.0.0"

  },

  "os": [

    "win32",

    "linux",

    "darwin"

  ],

  "cpu": [

    "x64"

  ],

  "publish_time": "2020-02-29T19:47:07.522Z",

  "dist": {

    "integrity": "sha512-7z5Z3Jy6s2V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6Z7J5Z3V8z7QV3J2Qx6

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