Vue-cli3 project runs under IE11 and reports an error.

problem: there is no problem under chrome, FF or Edge. IE11 reports syntax error:


:

solution that has been tried:

    All the solutions to this problem on
  1. sf have been tried, some say it is caused by webpack-dev-server, but the project is still running after being packaged (the error location is that ie does not recognize the class class).
  2. invalid introduction of babel-polyfill
Babel front-end-engineering vue-cli vue.js
May.18,2022

does not recognize class , so let babel compile to es2015

item error reason: the dependency in node_modules contains ES6 syntax and cannot be run in ie10 and above browsers, resulting in an error.
specific configuration: github address

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b2bb8a-e007.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b2bb8a-e007.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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