Webpack babel es6 reports syntax errors on the blank screen under ie11

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this is the configuration of webpack

.babelrc

babel-polyfill

ie11

both chrome and ff are correct, but not under ie. It feels like the compilation of babel is wrong. Do you want to use any plug-ins? please take a look at it for your help.

Webpack babel es6

Apr.07,2021

maybe npm install is not introduced correctly-- save babel-polyfill

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