PS Q:\vueProject> vue init webpack vue-demo2? Project name vue-demo2? Project description A Vue.js project? Author Aspirate Qiu <jousindea@qq.com>? Vue build standalone? Install vue-router? Yes? Use ESLint to lint your code? No? Set up unit tests No? Setup e2e tests with Nightwatch? No? Should we run `npm install` for you after the project has been created? (recommended) npm vue-cli · Generated "vue-demo2".# Installing project dependencies ...# ========================npm WARN deprecated extract-text-webpack-plugin@3.0.2: Deprecated. Please use https://github.com/webpack-contrib/mini-css-extract-pluginnpm WARN deprecated browserslist@2.11.3: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.npm WARN deprecated bfj-node4@5.3.1: Switch to the `bfj` package for fixes and new features!npm WARN deprecated browserslist@1.7.7: Browserslist 2 could fail on reading Browserslist >3.0 config used in other tools.> core-js@2.6.9 postinstall Q:\vueProject\vue-demo2\node_modules\core-js> node scripts/postinstall || echo "ignore"Thank you for using core-js ( https://github.com/zloirock/core-js ) for polyfilling JavaScript standard library!The project needs your help! Please consider supporting of core-js on Open Collective or Patreon:> https://opencollective.com/core-js> https://www.patreon.com/zloirockAlso, the author of core-js ( https://github.com/zloirock ) is looking for a good job -)> uglifyjs-webpack-plugin@0.4.6 postinstall Q:\vueProject\vue-demo2\node_modules\webpack\node_modules\uglifyjs-webpack-plugin> node lib/post_install.jsnpm notice created a lockfile as package-lock.json. You should commit this file.npm WARN ajv-keywords@3.4.1 requires a peer of ajv@^6.9.1 but none is installed. You must install peer dependencies yourself.npm WARN optional SKIPPING OPTIONAL DEPENDENCY: fsevents@1.2.9 (node_modules\fsevents):npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for fsevents@1.2.9: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})added 1210 packages from 669 contributors and audited 11765 packages in 52.298sfound 10 vulnerabilities (6 moderate, 4 high) run `npm audit fix` to fix them, or `npm audit` for details# Project initialization finished!# ========================To get started: cd vue-demo2 npm run devDocumentation can be found at https://vuejs-templates.github.io/webpack