1. 安裝core-js
npm install core-js
or
npm install core-js@2
2. 在babel.config.json中引入
module.exports = { presets: ["@vue/cli-plugin-babel/preset"], // 引入這個 presets: [ [ "@vue/app", { useBuiltIns: "entry" } ] ] };
1. 安裝core-js
npm install core-js
or
npm install core-js@2
2. 在babel.config.json中引入
module.exports = { presets: ["@vue/cli-plugin-babel/preset"], // 引入這個 presets: [ [ "@vue/app", { useBuiltIns: "entry" } ] ] };
https://stackoverflow.com/questions/419163/what-does-if-name-main-do