Search for "port" in the package.json file.Open the package.json file in the root directory of the Vue.js project.The Vue.js documentation references pieces of this puzzle, but isn't quite as explicit. In the most recent version of Vue.js as of this post - the outlined steps below made the most sense to me after looking through some of the myriad answers in this post. There are a lot of answers here varying by version, so I thought I'd confirm and expound upon Julien Le Coupanec's answer above from October 2018 when using the Vue CLI. env Files, more specific envs override less specific ones, e.g. Note the -, this makes passes the port option to the npm script instead of to npm itself. CLI Option -port to npm run serve, e.g.package.json: Add port option to serve script: rve=vue-cli-service serve -port 4000.Separated in Vue CLI v2 (webpack template) and Vue CLI v3, ordered by precedence (high to low). Microsoft Learn online course: Take your first steps with Vue.Late to the party, but I think it's helpful to consolidate all these answers into one outlining all options.Vue comparison with other frameworks like React or Angular Using Vue in Visual Studio Code: Find more about using Vue with VS Code, including the Vetur extension that provides Vue syntax highlighting, IntelliSense, debugging support, and more. My first choice was obvious: the Vue CLI. This was a great way to start simple projects, but as projects increased in complexity, I soon wanted a build environment. You will see your Vue app "hot reload" as soon as you save your change. Introducing Vite: A Better Vue CLI When I started with Vue, I relied on building Vue projects directly in the browser. Try changing "Welcome to your Vue.js App" to "Welcome to the Jungle!". Run your app in the terminal again with npm run serve and have your web browser open to the localhost so that you can see the Vue page welcome page displayed. #VUE CLI CODE#VS Code will launch and display your Vue application in the File Explorer. Try updating the welcome message by opening your Vue app's source code in VS Code, enter: code. If using WSL (with Ubuntu or your favorite Linux distribution) for this tutorial, you'll need to make sure that you have the Remote - WSL Extension installed for the best experience running and editing your code with VS remote server. You can press Ctrl+C to stop the vue-cli-service server. You should see "Welcome to your Vue.js App" on in your browser. Try running you new Vue app in your web browser: npm run serve Open the directory of your new hello-vue-app: cd hello-vue-app You'll need to choose whether to use Vue 2 or Vue 3 Preview, or manually select the features you want. #VUE CLI INSTALL#Install the Vue CLI: npm install -g your Vue app: vue create hello-vue-app Open your command line and create a new directory: mkdir HelloVue, then enter the directory: cd HelloVue #VUE CLI WINDOWS#We recommend installing VS Code on Windows, regardless of whether you plan to use Vue on Windows or WSL. If you don't already have it, install VS Code. Not sure which to use, generally we recommend beginners install on Windows to learn, but professionals install on WSL, see Should I install Node.js on Windows or Windows Subsystem for Linux. You must first install Vue.js on Windows or on Windows Subsystem for Linux.Try using Node.js in Visual Studio Code.If you're brand new to using Vue.js, this guide will help you to get started with some basics.
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