NPM中webpack 中 错误 webpackconfig.js

Question

Jude@DESKTOP-Jude MINGW64 /f/workspace/mmall/mmall-fe (mmall_v1.0)              $ webpack                                                                       C:\Users\Jude\AppData\Roaming\npm\node_modules\webpack\bin\webpack.js:89                let notify =                                                                    ^^^                                                                                                                                                     SyntaxError: Block-scoped declarations (let, const, function, class) not yet supported outside strict mode                                                          at exports.runInThisContext (vm.js:53:16)                                       at Module._compile (module.js:373:25)                                           at Object.Module._extensions..js (module.js:416:10)                             at Module.load (module.js:343:32)                                               at Function.Module._load (module.js:300:12)                                     at Function.Module.runMain (module.js:441:10)                                   at startup (node.js:139:18)                                                     at node.js:968:3

Answer 1

你开启了严格模式，在此情况下， 变量都必须要使用var声明如若仍然想使用let块级声明，请不要用严格模式