When loading the page, this error appears:

[vuex] vuex requires a Promise polyfill in this browser.

Options: Windows 7, IE11, Vue.js 2.5.16

In other browsers and Windows 10 + IE11 works.

  • Alternatively, check if IE10 and below are emulated in that browser. - Sergey Glazirin
  • Not worth it, but thanks for the option) - Ilia Brykin

1 answer 1

Found the reason, if someone can help. You need to connect the babel-polyfill and register it in webpack.config.js

 entry: { app: [ 'babel-polyfill', './src/main.js' ] },