打包webpack时出错：
ERROR in ./node_modules/jquery/lib/node-jquery.js

npm run dev

报错提示：

ERROR in ./node_modules/jquery/lib/node-jquery.js
Module not found: Error: Can't resolve 'jsdom' in 'E:\Users\Administrator\Desktop\webpack笔记\node_modules\jquery\lib'
 @ ./node_modules/jquery/lib/node-jquery.js 5:13-29
 @ ./src/index.js

ERROR in ./node_modules/jquery/lib/node-jquery.js
Module not found: Error: Can't resolve 'location' in 'E:\Users\Administrator\Desktop\webpack笔记\node_modules\jquery\lib'
 @ ./node_modules/jquery/lib/node-jquery.js 13:24-43
 @ ./src/index.js

ERROR in ./node_modules/jquery/lib/node-jquery.js
Module not found: Error: Can't resolve 'navigator' in 'E:\Users\Administrator\Desktop\webpack笔记\node_modules\jquery\lib'
 @ ./node_modules/jquery/lib/node-jquery.js 17:25-45
 @ ./src/index.js

ERROR in ./node_modules/jquery/lib/node-jquery.js
Module not found: Error: Can't resolve 'xmlhttprequest' in 'E:\Users\Administrator\Desktop\webpack笔记\node_modules\jquery\lib'
 @ ./node_modules/jquery/lib/node-jquery.js 8:28-53
 @ ./src/index.js
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! module-webpack@1.0.0 dev: `webpack`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the module-webpack@1.0.0 dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\Administrator\AppData\Roaming\npm-cache\_logs\2020-05-13T16_12_47_307Z-debug.log

解决：

  1. 查看默认打包入口index.js是否在src文件夹中，（该src文件夹包含index.html及index.js）

  2. 在项目目录终端安装jQuery时，输入命令: npm install jquery -S ，注意此时要安装jquery，而不是jQuery，不然同样会报错

打包成功的结果：

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打包webpack时出错：ERROR in ./node_modules/jquery/lib/node-jquery.js