vue2-安装elementUI时警告

发布时间：2023年12月17日

警告内容：npm WARN deprecated core-js@2.6.12: core-js@<3.23.3 is no longer maintained and not recommended for usage due to the number of issues. Because of the V8 engine whims, feature detection in old core-js versions could cause a slowdown up to 100x even if nothing is polyfilled. Some versions have web compatibility issues. Please, upgrade your dependencies to the actual version of core-js.

原因：core-js的版本低了

解决：

 npm i core-js

文章来源:https://blog.csdn.net/weixin_46479909/article/details/134923414
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